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class="breadcrumbs__link" itemprop="name">CREATE-TABLE</span><meta itemprop="position" content="5"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>CREATE-TABLE</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="create-table">CREATE-TABLE<a href="#create-table" class="hash-link" aria-label="Direct link to CREATE-TABLE" title="Direct link to CREATE-TABLE"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="description">Description<a href="#description" class="hash-link" aria-label="Direct link to Description" title="Direct link to Description"></a></h3><p>This command is used to create a table. The subject of this document describes the syntax for creating Doris self-maintained tables.</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">IF</span><span class="token plain"> </span><span class="token operator">NOT</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">EXISTS</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">database</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">table</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    column_definition_list</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> index_definition_list</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">engine_type</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">keys_type</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">table_comment</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">partition_info</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">distribution_desc</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">rollup_list</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">properties</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">extra_properties</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h4 class="anchor anchorWithStickyNavbar_LWe7" id="column_definition_list">column_definition_list<a href="#column_definition_list" class="hash-link" aria-label="Direct link to column_definition_list" title="Direct link to column_definition_list"></a></h4><p>Column definition list:</p><p><code>column_definition[, column_definition]</code></p><ul><li><p><code>column_definition</code></p><p>  Column definition:</p><p>  <code>column_name column_type [KEY] [aggr_type] [NULL] [AUTO_INCREMENT(auto_inc_start_value)] [default_value] [on update current_timestamp] [column_comment]</code></p><ul><li><p><code>column_type</code></p><p>  Column type, the following types are supported:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">TINYINT (1 byte)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: -2^7 + 1 ~ 2^7-1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">SMALLINT (2 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: -2^15 + 1 ~ 2^15-1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">INT (4 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: -2^31 + 1 ~ 2^31-1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">BIGINT (8 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: -2^63 + 1 ~ 2^63-1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">LARGEINT (16 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: -2^127 + 1 ~ 2^127-1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">FLOAT (4 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Support scientific notation</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">DOUBLE (12 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Support scientific notation</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">DECIMAL[(precision, scale)] (16 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    The decimal type with guaranteed precision. The default is DECIMAL(10, 0)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    precision: 1 ~ 27</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    scale: 0 ~ 9</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Where the integer part is 1 ~ 18</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Does not support scientific notation</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">DATE (3 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: 0000-01-01 ~ 9999-12-31</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">DATETIME (8 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Range: 0000-01-01 00:00:00 ~ 9999-12-31 23:59:59</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">CHAR[(length)]</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Fixed-length character string. Length range: 1 ~ 255. Default is 1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">VARCHAR[(length)]</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Variable length character string. Length range: 1 ~ 65533. Default is 65533</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">HLL (1~16385 bytes)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    HyperLogLog column type, do not need to specify the length and default value. The length is controlled within the system according to the degree of data aggregation.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Must be used with HLL_UNION aggregation type.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">BITMAP</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    The bitmap column type does not need to specify the length and default value. Represents a collection of integers, and the maximum number of elements supported is 2^64-1.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    Must be used with BITMAP_UNION aggregation type.</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p><code>aggr_type</code></p><p>  Aggregation type, the following aggregation types are supported:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">SUM: Sum. Applicable numeric types.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">MIN: Find the minimum value. Suitable for numeric types.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">MAX: Find the maximum value. Suitable for numeric types.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">REPLACE: Replace. For rows with the same dimension column, the index column will be imported in the order of import, and the last imported will replace the first imported.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">REPLACE_IF_NOT_NULL: non-null value replacement. The difference with REPLACE is that there is no replacement for null values. It should be noted here that the default value should be NULL, not an empty string. If it is an empty string, you should replace it with an empty string.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">HLL_UNION: The aggregation method of HLL type columns, aggregated by HyperLogLog algorithm.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">BITMAP_UNION: The aggregation mode of BIMTAP type columns, which performs the union aggregation of bitmaps.</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><span class="version-mark inline"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->2.1</span></span></span></span>`AUTO_INCREMENT(auto_inc_start_value)`</span><p>  To indicate if the column is a auto-increment column. Auto-increment column can be used to generate a unique identity for new row. If no values are assgined for auto-increment column when inserting, Doris will generate sequence numbers automatically. You can also assign the auto-increment column with NULL literal to indicate Doris to generate sequence numbers. It should be noted that, for performance reasons, BE will cache some values of auto-increment column in memory. Therefore, the values generated by auto-increment column can only guarantee monotonicity and uniqueness, but not strict continuity.
 A table can have at most one auto-incremnt column. The auto-increment column should be BIGINT type and be NOT NULL.
 Both Duplicate model table and Unique model table support auto-increment column.
 You can specify the starting value for an auto-increment column by providing `auto_inc_start_value. If not specified, the default starting value is 1.</p></li><li><p><code>default_value</code></p><p>  Default value of the column. If the load data does not specify a value for this column, the system will assign a default value to this column.</p><p>  The syntax is: <code>default default_value</code>.</p><p>  Currently, the default value supports two forms:</p><ol><li><p>The user specifies a fixed value, such as:</p><div class="language-SQL codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-SQL codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 INT DEFAULT &#x27;1&#x27;,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 CHAR(10) DEFAULT &#x27;aaaa&#x27;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Keywords are provided by the system. Currently, the following keywords are supported: </p><div class="language-SQL codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-SQL codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">    // This keyword is used only for DATETIME type. If the value is missing, the system assigns the current timestamp.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    dt DATETIME DEFAULT CURRENT_TIMESTAMP</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol></li><li><span class="version-mark inline"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->2.1</span></span></span></span>`on update current_timestamp`</span><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">To indicate that whether the value of this column should be updated to the current timestamp (`current_timestamp`) when there is an update on the row. The feature is only available on unique table with merge-on-write enabled. Columns with this feature enabled must declare a default value, and the default value must be `current_timestamp`. If the precision of the timestamp is declared here, the timestamp precision in the default value of the column must be the same as the precision declared here.&quot;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">k1 TINYINT,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">k2 DECIMAL(10,2) DEFAULT &quot;10.5&quot;,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">k4 BIGINT NULL DEFAULT &quot;1000&quot; COMMENT &quot;This is column k4&quot;,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">v1 VARCHAR(10) REPLACE NOT NULL,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">v2 BITMAP BITMAP_UNION,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">v3 HLL HLL_UNION,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">v4 INT SUM NOT NULL DEFAULT &quot;1&quot; COMMENT &quot;This is column v4&quot;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">dt datetime(6) default current_timestamp(6) on update current_timestamp(6)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ul></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="index_definition_list">index_definition_list<a href="#index_definition_list" class="hash-link" aria-label="Direct link to index_definition_list" title="Direct link to index_definition_list"></a></h4><p>Index list definition:</p><p><code>index_definition[, index_definition]</code></p><ul><li><p><code>index_definition</code></p><p>  Index definition:</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INDEX</span><span class="token plain"> index_name </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">col_name</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">USING</span><span class="token plain"> INVERTED</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;xxxxxx&#x27;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>  Example:</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INDEX</span><span class="token plain"> idx1 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">USING</span><span class="token plain"> INVERTED </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;This is a inverted index1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INDEX</span><span class="token plain"> idx2 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">USING</span><span class="token plain"> INVERTED </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;This is a inverted index2&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="engine_type">engine_type<a href="#engine_type" class="hash-link" aria-label="Direct link to engine_type" title="Direct link to engine_type"></a></h4><p>Table engine type. All types in this document are OLAP. Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">`ENGINE=olap`</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h4 class="anchor anchorWithStickyNavbar_LWe7" id="keys_type">keys_type<a href="#keys_type" class="hash-link" aria-label="Direct link to keys_type" title="Direct link to keys_type"></a></h4><p>Data model.</p><p><code>key_type(col1, col2, ...)</code></p><p><code>key_type</code> supports the following models:</p><ul><li>DUPLICATE KEY (default): The subsequent specified column is the sorting column.</li><li>AGGREGATE KEY: The specified column is the dimension column.</li><li>UNIQUE KEY: The subsequent specified column is the primary key column.</li></ul><span class="version-mark paragraph"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->2.0</span></span></span></span>NOTE: when set table property `&quot;enable_duplicate_without_keys_by_default&quot; = &quot;true&quot;`, will create a duplicate model without sorting columns and prefix indexes by default.</span><p>Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">DUPLICATE KEY(col1, col2),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">AGGREGATE KEY(k1, k2, k3),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">UNIQUE KEY(k1, k2)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h4 class="anchor anchorWithStickyNavbar_LWe7" id="table_comment">table_comment<a href="#table_comment" class="hash-link" aria-label="Direct link to table_comment" title="Direct link to table_comment"></a></h4><p>Table notes. Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">COMMENT &quot;This is my first DORIS table&quot;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h4 class="anchor anchorWithStickyNavbar_LWe7" id="partition_info">partition_info<a href="#partition_info" class="hash-link" aria-label="Direct link to partition_info" title="Direct link to partition_info"></a></h4><p>Partition information supports three writing methods:</p><ol><li><p>LESS THAN: Only define the upper boundary of the partition. The lower bound is determined by the upper bound of the previous partition.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITION BY RANGE(col1[, col2, ...])</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PARTITION partition_name1 VALUES LESS THAN MAXVALUE|(&quot;value1&quot;, &quot;value2&quot;, ...),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PARTITION partition_name2 VALUES LESS THAN MAXVALUE|(&quot;value1&quot;, &quot;value2&quot;, ...)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>FIXED RANGE: Define the left closed and right open interval of the zone.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITION BY RANGE(col1[, col2, ...])</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PARTITION partition_name1 VALUES [(&quot;k1-lower1&quot;, &quot;k2-lower1&quot;, &quot;k3-lower1&quot;,...), (&quot;k1-upper1&quot;, &quot;k2-upper1&quot;, &quot;k3-upper1&quot;, ... )),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PARTITION partition_name2 VALUES [(&quot;k1-lower1-2&quot;, &quot;k2-lower1-2&quot;, ...), (&quot;k1-upper1-2&quot;, MAXVALUE, ))</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol><span class="version-mark paragraph"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->1.2.0</span></span></span></span>3. MULTI RANGE: Multi build RANGE partitions,Define the left closed and right open interval of the zone, Set the time unit and step size, the time unit supports year, month, day, week and hour.<div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITION BY RANGE(col)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">   FROM (&quot;2000-11-14&quot;) TO (&quot;2021-11-14&quot;) INTERVAL 1 YEAR,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">   FROM (&quot;2021-11-14&quot;) TO (&quot;2022-11-14&quot;) INTERVAL 1 MONTH,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">   FROM (&quot;2022-11-14&quot;) TO (&quot;2023-01-03&quot;) INTERVAL 1 WEEK,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">   FROM (&quot;2023-01-03&quot;) TO (&quot;2023-01-14&quot;) INTERVAL 1 DAY</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></span><ol start="4"><li><p>MULTI RANGE: Multi build integer RANGE partitions,Define the left closed and right open interval of the zone, and step size.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">PARTITION BY RANGE(int_col)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    FROM (1) TO (100) INTERVAL 10</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol><h4 class="anchor anchorWithStickyNavbar_LWe7" id="distribution_desc">distribution_desc<a href="#distribution_desc" class="hash-link" aria-label="Direct link to distribution_desc" title="Direct link to distribution_desc"></a></h4><p>Define the data bucketing method.</p><ol><li><p>Hash
 Syntax:
 <code>DISTRIBUTED BY HASH (k1[,k2 ...]) [BUCKETS num|auto]</code>
 Explain:
 Hash bucketing using the specified key column. </p></li><li><p>Random
 Syntax:
 <code>DISTRIBUTED BY RANDOM [BUCKETS num|auto]</code>
 Explain:
 Use random numbers for bucketing.</p></li></ol><h4 class="anchor anchorWithStickyNavbar_LWe7" id="rollup_list">rollup_list<a href="#rollup_list" class="hash-link" aria-label="Direct link to rollup_list" title="Direct link to rollup_list"></a></h4><p>Multiple materialized views (ROLLUP) can be created at the same time as the table is built.</p><p><code>ROLLUP (rollup_definition[, rollup_definition, ...])</code></p><ul><li><p><code>rollup_definition</code></p><p>  <code>rollup_name (col1[, col2, ...]) [DUPLICATE KEY(col1[, col2, ...])] [PROPERTIES(&quot;key&quot; = &quot;value&quot;)]</code></p><p>  Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">ROLLUP (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    r1 (k1, k3, v1, v2),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    r2 (k1, v1)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="properties">properties<a href="#properties" class="hash-link" aria-label="Direct link to properties" title="Direct link to properties"></a></h4><p>Set table properties. The following attributes are currently supported:</p><ul><li><p><code>replication_num</code></p><p> Number of copies. The default number of copies is 3. If the number of BE nodes is less than 3, you need to specify that the number of copies is less than or equal to the number of BE nodes.</p><p> After version 0.15, this attribute will be automatically converted to the <code>replication_allocation</code> attribute, such as:</p><p> <code>&quot;replication_num&quot; = &quot;3&quot;</code> will be automatically converted to <code>&quot;replication_allocation&quot; = &quot;tag.location.default:3&quot;</code></p></li><li><p><code>replication_allocation</code></p><p>  Set the copy distribution according to Tag. This attribute can completely cover the function of the <code>replication_num</code> attribute.</p></li><li><p><code>min_load_replica_num</code></p><p>  The minimum required successful replica num for loading data. The default value is <code>-1</code>. If set less than or equal to 0, loading data requires a majority replicas to succeed.</p></li><li><p><code>is_being_synced</code>  </p><p>  Used to identify whether this table is copied by CCR and is being synchronized by syncer. The default is <code>false</code>.  </p><p>  If set to <code>true</code>:<br>
 <code>colocate_with</code>, <code>storage_policy</code> properties will be erased<br>
 <code>dynamic partition</code>, <code>auto bucket</code> features will be disabled, that is, they will be displayed as enabled in <code>show create table</code>, but will not actually take effect. When <code>is_being_synced</code> is set to <code>false</code>, these features will resume working.  </p><p>  This property is for CCR peripheral modules only and should not be manually set during CCR synchronization.  </p></li><li><p><code>storage_medium/storage_cooldown_time</code></p><p> Data storage medium. <code>storage_medium</code> is used to declare the initial storage medium of the table data, and <code>storage_cooldown_time</code> is used to set the expiration time. Example:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">&quot;storage_medium&quot; = &quot;SSD&quot;,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">&quot;storage_cooldown_time&quot; = &quot;2020-11-20 00:00:00&quot;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p> This example indicates that the data is stored in the SSD and will be automatically migrated to the HDD storage after the expiration of 2020-11-20 00:00:00.</p></li><li><p><code>colocate_with</code></p><p> When you need to use the Colocation Join function, use this parameter to set the Colocation Group.</p><p> <code>&quot;colocate_with&quot; = &quot;group1&quot;</code></p></li><li><p><code>bloom_filter_columns</code></p><p> The user specifies the list of column names that need to be added to the Bloom Filter index. The Bloom Filter index of each column is independent, not a composite index.</p><p> <code>&quot;bloom_filter_columns&quot; = &quot;k1, k2, k3&quot;</code></p></li><li><p><code>in_memory</code></p><p> Deprecated.</p></li><li><p><code>function_column.sequence_col</code></p><p> When using the UNIQUE KEY model, you can specify a sequence column. When the KEY columns are the same, REPLACE will be performed according to the sequence column (the larger value replaces the smaller value, otherwise it cannot be replaced)</p><p>The <code>function_column.sequence_col</code> is used to specify the mapping of the sequence column to a column in the table, which can be integral and time (DATE, DATETIME). The type of this column cannot be changed after creation. If <code>function_column.sequence_col</code> is set, <code>function_column.sequence_type</code> is ignored.</p><p> <code>&quot;function_column.sequence_col&quot; =&#x27;column_name&#x27;</code></p></li><li><p><code>function_column.sequence_type</code></p><p> When using the UNIQUE KEY model, you can specify a sequence column. When the KEY columns are the same, REPLACE will be performed according to the sequence column (the larger value replaces the smaller value, otherwise it cannot be replaced)</p><p> Here we only need to specify the type of sequence column, support time type or integer type. Doris will create a hidden sequence column.</p><p> <code>&quot;function_column.sequence_type&quot; =&#x27;Date&#x27;</code></p></li><li><p><code>compression</code></p><p> The default compression method for Doris tables is LZ4. After version 1.1, it is supported to specify the compression method as ZSTD to obtain a higher compression ratio.</p><p> <code>&quot;compression&quot;=&quot;zstd&quot;</code></p></li><li><p><code>enable_unique_key_merge_on_write</code></p><span class="version-mark inline"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->1.2</span></span></span></span> Wheather the unique table use merge-on-write implementation. </span><p>  The property is disabled by default before version 2.1 and is enabled by default since version 2.1.</p></li><li><p><code>light_schema_change</code></p><p> Whether to use the Light Schema Change optimization.</p><p> If set to true, the addition and deletion of value columns can be done more quickly and synchronously.</p><p> <code>&quot;light_schema_change&quot;=&quot;true&quot;</code></p><p> This feature is enabled by default after v2.0.0.</p></li><li><p><code>disable_auto_compaction</code></p><p> Whether to disable automatic compaction for this table.</p><p> If this property is set to &#x27;true&#x27;, the background automatic compaction process will skip all the tables of this table.</p><p> <code>&quot;disable_auto_compaction&quot; = &quot;false&quot;</code></p></li><li><p><code>enable_single_replica_compaction</code></p><p> Whether to enable single replica compaction for this table.</p><p> If this property is set to &#x27;true&#x27;, all replicas of the tablet will only have one replica performing compaction, while the others fetch rowsets from that replica.</p><p> <code>&quot;enable_single_replica_compaction&quot; = &quot;false&quot;</code></p></li><li><p><code>enable_duplicate_without_keys_by_default</code></p><p> When <code>true</code>, if Unique, Aggregate, or Duplicate is not specified when creating a table, a Duplicate model table without sorting columns and prefix indexes will be created by default.</p><p> <code>&quot;enable_duplicate_without_keys_by_default&quot; = &quot;false&quot;</code></p></li><li><p><code>skip_write_index_on_load</code></p><p> Whether to enable skip inverted index on load for this table.</p><p> If this property is set to &#x27;true&#x27;, skip writting index (only inverted index now) on first time load and delay writting
 index to compaction. It can reduce CPU and IO resource usage for high throughput load.</p><p> <code>&quot;skip_write_index_on_load&quot; = &quot;false&quot;</code></p></li><li><p><code>compaction_policy</code></p><p>  Configure the compaction strategy in the compression phase. Only support configuring the compaction policy as &quot;time_series&quot; or &quot;size_based&quot;.</p><p>  time_series: When the disk size of a rowset accumulates to a certain threshold, version merging takes place. The merged rowset is directly promoted to the base compaction stage. This approach effectively reduces the write amplification rate of compaction, especially in scenarios with continuous imports in a time series context.</p><p>  In the case of time series compaction, the execution of compaction is adjusted using parameters that have the prefix time_series_compaction.</p><p>  <code>&quot;compaction_policy&quot; = &quot;&quot;</code></p></li><li><p><code>time_series_compaction_goal_size_mbytes</code></p><p>  Time series compaction policy will utilize this parameter to adjust the size of input files for each compaction. The output file size will be approximately equal to the input file size.</p><p>  <code>&quot;time_series_compaction_goal_size_mbytes&quot; = &quot;1024&quot;</code></p></li><li><p><code>time_series_compaction_file_count_threshold</code></p><p>  Time series compaction policy will utilize this parameter to adjust the minimum number of input files for each compaction.</p><p>  If the number of files in a tablet exceeds the configured threshold, it will trigger a compaction process.</p><p>  <code>&quot;time_series_compaction_file_count_threshold&quot; = &quot;2000&quot;</code></p></li><li><p><code>time_series_compaction_time_threshold_seconds</code></p><p>   When time series compaction policy is applied, a significant duration passes without a compaction being executed, a compaction will be triggered.</p><p>  <code>&quot;time_series_compaction_time_threshold_seconds&quot; = &quot;3600&quot;</code></p></li></ul><ul><li><p>Dynamic partition related</p><p> The relevant parameters of dynamic partition are as follows:</p></li><li><p><code>dynamic_partition.enable</code>: Used to specify whether the dynamic partition function at the table level is enabled. The default is true.</p></li><li><p><code>dynamic_partition.time_unit:</code> is used to specify the time unit for dynamically adding partitions, which can be selected as DAY (day), WEEK (week), MONTH (month), YEAR (year), HOUR (hour).</p></li><li><p><code>dynamic_partition.start</code>: Used to specify how many partitions to delete forward. The value must be less than 0. The default is Integer.MIN_VALUE.</p></li><li><p><code>dynamic_partition.end</code>: Used to specify the number of partitions created in advance. The value must be greater than 0.</p></li><li><p><code>dynamic_partition.prefix</code>: Used to specify the partition name prefix to be created. For example, if the partition name prefix is p, the partition name will be automatically created as p20200108.</p></li><li><p><code>dynamic_partition.buckets</code>: Used to specify the number of partition buckets that are automatically created.</p></li><li><p><code>dynamic_partition.create_history_partition</code>: Whether to create a history partition.</p></li><li><p><code>dynamic_partition.history_partition_num</code>: Specify the number of historical partitions to be created.</p></li><li><p><code>dynamic_partition.reserved_history_periods</code>: Used to specify the range of reserved history periods.
 </p></li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="example">Example<a href="#example" class="hash-link" aria-label="Direct link to Example" title="Direct link to Example"></a></h3><ol><li><p>Create a detailed model table</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TINYINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;string column&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k4 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> </span><span class="token operator">NOT</span><span class="token plain"> </span><span class="token boolean">NULL</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;int column&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;my first table&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a detailed model table, partition, specify the sorting column, and set the number of copies to 1</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;string column&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k4 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> </span><span class="token operator">NOT</span><span class="token plain"> </span><span class="token boolean">NULL</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;int column&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DUPLICATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;my first table&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-02-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-03-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-04-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a table with a unique model of the primary key, set the initial storage medium and cooling time</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BIGINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 LARGEINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">2048</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SMALLINT</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">UNIQUE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;storage_medium&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;SSD&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;storage_cooldown_time&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2015-06-04 00:00:00&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create an aggregate model table, using a fixed range partition description</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> table_range</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SMALLINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">2048</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">REPLACE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> SUM </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">AGGREGATE </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-01-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;200&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-01-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;20&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;300&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-06-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;100&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;200&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-07-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;100&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;300&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create an aggregate model table with HLL and BITMAP column types</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">example_table</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TINYINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 HLL HLL_UNION</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 BITMAP BITMAP_UNION</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">ENGINE</span><span class="token operator">=</span><span class="token plain">olap</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">AGGREGATE </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create two self-maintained tables of the same Colocation Group.</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> t1 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    id </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">int</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">11</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">value</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">varchar</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DUPLICATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">id</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">id</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">10</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;colocate_with&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;group1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> t2 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    id </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">int</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">11</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    value1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">varchar</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    value2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">varchar</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DUPLICATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">id</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">id</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">10</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;colocate_with&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;group1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a table with inverted index and bloom filter index</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TINYINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">REPLACE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> SUM</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INDEX</span><span class="token plain"> k1_idx </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">USING</span><span class="token plain"> INVERTED </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;my first index&#x27;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">AGGREGATE </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;bloom_filter_columns&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;k2&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a dynamic partition table.</p><p>The table creates partitions 3 days in advance every day, and deletes the partitions 3 days ago. For example, if today is <code>2020-01-08</code>, partitions named <code>p20200108</code>, <code>p20200109</code>, <code>p20200110</code>, <code>p20200111</code> will be created. The partition ranges are:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">[types: [DATE]; keys: [2020-01-08]; ‥types: [DATE]; keys: [2020-01-09];)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[types: [DATE]; keys: [2020-01-09]; ‥types: [DATE]; keys: [2020-01-10];)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[types: [DATE]; keys: [2020-01-10]; ‥types: [DATE]; keys: [2020-01-11];)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[types: [DATE]; keys: [2020-01-11]; ‥types: [DATE]; keys: [2020-01-12];)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">dynamic_partition</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SMALLINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">2048</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATETIME</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-02-04 15:36:00&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DUPLICATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> k3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.time_unit&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;DAY&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.start&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;-3&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.end&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;3&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.prefix&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;p&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.buckets&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;32&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a table with a materialized view (ROLLUP).</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">rolup_index_table</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    event_day </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    siteid </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;10&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    citycode </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SMALLINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    username </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">32</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    pv </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BIGINT</span><span class="token plain"> SUM </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;0&#x27;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">AGGREGATE </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">KEY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">event_day</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> siteid</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> citycode</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> username</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">siteid</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">10</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">ROLLUP </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    r1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">event_day</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain">siteid</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    r2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">event_day</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain">citycode</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    r3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">event_day</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;3&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Set the replica of the table through the <code>replication_allocation</code> property.</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TINYINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_allocation&quot;</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tag.location.group_a:1, tag.location.group_b:2&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">dynamic_partition</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SMALLINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">2048</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    v2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATETIME</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2014-02-04 15:36:00&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.time_unit&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;DAY&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.start&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;-3&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.end&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;3&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.prefix&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;p&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.buckets&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;32&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;dynamic_partition.replication_allocation&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tag.location.group_a:3&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Set the table hot and cold separation policy through the <code>storage_policy</code> property.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">```sql</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    CREATE TABLE IF NOT EXISTS create_table_use_created_policy </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k1 BIGINT,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k2 LARGEINT,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        v1 VARCHAR(2048)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    )</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    UNIQUE KEY(k1)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    DISTRIBUTED BY HASH (k1) BUCKETS 3</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PROPERTIES(</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        &quot;storage_policy&quot; = &quot;test_create_table_use_policy&quot;,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        &quot;replication_num&quot; = &quot;1&quot;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    );</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>NOTE: Need to create the s3 resource and storage policy before the table can be successfully associated with the migration policy </p></li><li><p>Add a hot and cold data migration strategy for the table partition</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">```sql</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    CREATE TABLE create_table_partion_use_created_policy</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k1 DATE,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k2 INT,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        V1 VARCHAR(2048) REPLACE</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    ) PARTITION BY RANGE (k1) (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        PARTITION p1 VALUES LESS THAN (&quot;2022-01-01&quot;) (&quot;storage_policy&quot; = &quot;test_create_table_partition_use_policy_1&quot; ,&quot;replication_num&quot;=&quot;1&quot;),</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        PARTITION p2 VALUES LESS THAN (&quot;2022-02-01&quot;) (&quot;storage_policy&quot; = &quot;test_create_table_partition_use_policy_2&quot; ,&quot;replication_num&quot;=&quot;1&quot;)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    ) DISTRIBUTED BY HASH(k2) BUCKETS 1;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">```</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>NOTE: Need to create the s3 resource and storage policy before the table can be successfully associated with the migration policy </p></li></ol><span class="version-mark paragraph"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->1.2.0</span></span></span></span><ol start="13"><li>Multi Partition by a partition desc<div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> create_table_multi_partion_date</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        V1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2000-11-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2021-11-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">YEAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2021-11-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2022-11-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">MONTH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2022-11-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-01-03&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain"> WEEK</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-01-03&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-01-14&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DAY</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p_20230114 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;2023-01-14&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;2023-01-15&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">1</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> create_table_multi_partion_date_hour</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATETIME</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        V1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-01-03 12&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-01-14 22&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HOUR</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">1</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> create_table_multi_partion_integer</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BIGINT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        V1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VARCHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">20</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TO</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">100</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTERVAL</span><span class="token plain"> </span><span class="token number">10</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">1</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    PROPERTIES</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol><p>NOTE: Multi Partition can be mixed with conventional manual creation of partitions. When using, you need to limit the partition column to only one, The default maximum number of partitions created in multi partition is 4096, This parameter can be adjusted in fe configuration <code>max_multi_partition_num</code>.</p></span><span class="version-mark paragraph"><span class="v-mark"><span class="version-tags"><span class="version-tag"><span class="version-tag-t">Since</span><span class="version-tag-n since">Version <!-- -->2.0</span></span></span></span><ol start="14"><li><p>Add a duplicate without sorting column table</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> example_db</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">table_hash</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DATE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DECIMAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;10.5&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CHAR</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;string column&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    k4 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token plain"> </span><span class="token operator">NOT</span><span class="token plain"> </span><span class="token boolean">NULL</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DEFAULT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;int column&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">COMMENT</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;duplicate without keys&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> RANGE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p1 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-02-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p2 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-03-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">PARTITION</span><span class="token plain"> p3 </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"> LESS THAN </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2020-04-01&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">DISTRIBUTED</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BY</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">HASH</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">k1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> BUCKETS </span><span class="token number">32</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">PROPERTIES </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;replication_num&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;enable_duplicate_without_keys_by_default&quot;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;true&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol></span><h3 class="anchor anchorWithStickyNavbar_LWe7" id="keywords">Keywords<a href="#keywords" class="hash-link" aria-label="Direct link to Keywords" title="Direct link to Keywords"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">CREATE, TABLE</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="best-practice">Best Practice<a href="#best-practice" class="hash-link" aria-label="Direct link to Best Practice" title="Direct link to Best Practice"></a></h3><h4 class="anchor anchorWithStickyNavbar_LWe7" id="partitioning-and-bucketing">Partitioning and bucketing<a href="#partitioning-and-bucketing" class="hash-link" aria-label="Direct link to Partitioning and bucketing" title="Direct link to Partitioning and bucketing"></a></h4><p>A table must specify the bucket column, but it does not need to specify the partition. For the specific introduction of partitioning and bucketing, please refer to the <a href="/docs/data-table/data-partition">Data Division</a> document.</p><p>Tables in Doris can be divided into partitioned tables and non-partitioned tables. This attribute is determined when the table is created and cannot be changed afterwards. That is, for partitioned tables, you can add or delete partitions in the subsequent use process, and for non-partitioned tables, you can no longer perform operations such as adding partitions afterwards.</p><p>At the same time, partitioning columns and bucketing columns cannot be changed after the table is created. You can neither change the types of partitioning and bucketing columns, nor do any additions or deletions to these columns.</p><p>Therefore, it is recommended to confirm the usage method to build the table reasonably before building the table.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="dynamic-partition">Dynamic Partition<a href="#dynamic-partition" class="hash-link" aria-label="Direct link to Dynamic Partition" title="Direct link to Dynamic Partition"></a></h4><p>The dynamic partition function is mainly used to help users automatically manage partitions. By setting certain rules, the Doris system regularly adds new partitions or deletes historical partitions. Please refer to <a href="/docs/advanced/partition/dynamic-partition">Dynamic Partition</a> document for more help.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="auto-partition">Auto Partition<a href="#auto-partition" class="hash-link" aria-label="Direct link to Auto Partition" title="Direct link to Auto Partition"></a></h4><p>See the <a href="/docs/advanced/partition/auto-partition">Auto Partition</a> document.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="materialized-view">Materialized View<a href="#materialized-view" class="hash-link" aria-label="Direct link to Materialized View" title="Direct link to Materialized View"></a></h4><p>Users can create multiple materialized views (ROLLUP) while building a table. Materialized views can also be added after the table is built. It is convenient for users to create all materialized views at one time by writing in the table creation statement.</p><p>If the materialized view is created when the table is created, all subsequent data import operations will synchronize the data of the materialized view to be generated. The number of materialized views may affect the efficiency of data import.</p><p>If you add a materialized view in the subsequent use process, if there is data in the table, the creation time of the materialized view depends on the current amount of data.</p><p>For the introduction of materialized views, please refer to the <a href="/docs/query/view-materialized-view/metarialized-view">Materialized View</a> document.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="index">Index<a href="#index" class="hash-link" aria-label="Direct link to Index" title="Direct link to Index"></a></h4><p>Users can create indexes on multiple columns while building a table. Indexes can also be added after the table is built.</p><p>If you add an index in the subsequent use process, if there is data in the table, you need to rewrite all the data, so the creation time of the index depends on the current data volume.</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/sql-manual/sql-statements/Data-Definition-Statements/Create/CREATE-DATABASE"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">CREATE-DATABASE</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/sql-manual/sql-statements/Data-Definition-Statements/Create/CREATE-TABLE-LIKE"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">CREATE-TABLE-LIKE</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_jeP5 thin-scrollbar theme-doc-toc-desktop"><a 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23.04 41.472 0 82.432-11.264 117.76-32.768 2.56-1.536 9.728-5.632 22.016-12.8 8.704-5.12 19.456-6.656 29.184-3.584l14.848 4.096-4.096-14.848c-2.56-10.24-1.536-20.48 4.096-29.696 6.144-10.24 12.288-20.992 18.432-31.232 17.92-33.28 27.136-70.656 27.136-108.544 0-59.904-23.552-117.76-65.536-160.256-13.312 164.352-118.272 303.616-264.192 366.592z m-462.848-155.648l-14.848 54.784 54.784-14.848c9.728-2.56 20.48-1.536 29.184 4.096 18.432 10.752 29.184 16.896 32.768 19.456 56.32 33.792 120.832 51.712 186.88 51.712 200.704 0 363.52-162.816 363.52-363.52s-162.816-363.52-363.52-363.52-363.52 162.816-363.52 363.52c0 60.928 14.848 119.296 43.008 171.52 3.584 7.168 13.312 23.04 27.648 47.616 5.632 8.704 6.656 19.456 4.096 29.184z m448.512-382.976c20.992 0 38.4 16.896 38.4 38.4 0 20.992-16.896 38.4-38.4 38.4H284.16c-20.992 0-38.4-16.896-38.4-38.4 0-20.992 16.896-38.4 38.4-38.4h318.976z m-153.088 191.488c20.992 0 38.4 16.896 38.4 38.4 0 20.992-16.896 38.4-38.4 38.4H284.16c-20.992 0-38.4-16.896-38.4-38.4 0-20.992 16.896-38.4 38.4-38.4h165.888z m0 0" p-id="8501" fill="currentColor"></path></svg></a><span class="ml-4">On This Page</span><ul class="table-of-contents table-of-contents__left-border"><li><a href="#create-table" class="table-of-contents__link toc-highlight">CREATE-TABLE</a><ul><li><a href="#description" class="table-of-contents__link toc-highlight">Description</a><ul><li><a href="#column_definition_list" class="table-of-contents__link toc-highlight">column_definition_list</a></li><li><a href="#index_definition_list" class="table-of-contents__link toc-highlight">index_definition_list</a></li><li><a href="#engine_type" class="table-of-contents__link toc-highlight">engine_type</a></li><li><a href="#keys_type" class="table-of-contents__link toc-highlight">keys_type</a></li><li><a href="#table_comment" class="table-of-contents__link toc-highlight">table_comment</a></li><li><a href="#partition_info" class="table-of-contents__link toc-highlight">partition_info</a></li><li><a href="#distribution_desc" class="table-of-contents__link toc-highlight">distribution_desc</a></li><li><a href="#rollup_list" class="table-of-contents__link toc-highlight">rollup_list</a></li><li><a href="#properties" class="table-of-contents__link toc-highlight">properties</a></li></ul></li><li><a href="#example" class="table-of-contents__link toc-highlight">Example</a></li><li><a href="#keywords" class="table-of-contents__link toc-highlight">Keywords</a></li><li><a href="#best-practice" class="table-of-contents__link toc-highlight">Best Practice</a><ul><li><a href="#partitioning-and-bucketing" class="table-of-contents__link toc-highlight">Partitioning and bucketing</a></li><li><a href="#dynamic-partition" class="table-of-contents__link toc-highlight">Dynamic Partition</a></li><li><a href="#auto-partition" class="table-of-contents__link toc-highlight">Auto Partition</a></li><li><a href="#materialized-view" class="table-of-contents__link 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