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class="vp-page-title"><h1><!---->Keywords</h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="Writing Date"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 0 01-33.473-33.473c0-18.752 14.72-33.473 33.473-33.473h736.687c18.752 0 33.472 14.72 33.472 33.473a33.145 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1.856-8.32 1.728-8.32l-.032.032c.608-3.104 1.568-7.744 1.568-13.28zM512 672c-88.224 0-160-71.776-160-160s71.776-160 160-160 160 71.776 160 160-71.776 160-160 160z"></path></svg><span id="ArtalkPV" class="vp-pageview waline-pageview-count" data-path="/UserGuide/V1.0.x/Reference/Keywords.html" data-page-key="/UserGuide/V1.0.x/Reference/Keywords.html">...</span></span><span class="page-reading-time-info" aria-label="Reading Time"><svg xmlns="http://www.w3.org/2000/svg" class="icon timer-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="timer icon"><path d="M799.387 122.15c4.402-2.978 7.38-7.897 7.38-13.463v-1.165c0-8.933-7.38-16.312-16.312-16.312H256.33c-8.933 0-16.311 7.38-16.311 16.312v1.165c0 5.825 2.977 10.874 7.637 13.592 4.143 194.44 97.22 354.963 220.201 392.763-122.204 37.542-214.893 196.511-220.2 389.397-4.661 5.049-7.638 11.651-7.638 19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>About 1 min</span><meta property="timeRequired" content="PT1M"></span><!----><!----></div><hr></div><!----><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="keywords" tabindex="-1"><a class="header-anchor" href="#keywords"><span>Keywords</span></a></h1><p>Reserved words（Can not be used as identifier）:</p><ul><li>ROOT</li><li>TIME</li><li>TIMESTAMP</li><li>AND</li><li>OR</li><li>NOT</li><li>NULL</li><li>CONTAINS</li></ul><p>Common Keywords:</p><ul><li>ADD</li><li>AFTER</li><li>ALIAS</li><li>ALIGN</li><li>ALIGNED</li><li>ALL</li><li>ALTER</li><li>ALTER_TIMESERIES</li><li>ANY</li><li>APPEND</li><li>APPLY_TEMPLATE</li><li>AS</li><li>ASC</li><li>ATTRIBUTES</li><li>BEFORE</li><li>BEGIN</li><li>BLOCKED</li><li>BOUNDARY</li><li>BY</li><li>CACHE</li><li>CHILD</li><li>CLEAR</li><li>CLUSTER</li><li>CONCAT</li><li>CONFIGNODES</li><li>CONFIGURATION</li><li>CONTINUOUS</li><li>COUNT</li><li>CONTAIN</li><li>CQ</li><li>CQS</li><li>CREATE</li><li>CREATE_CONTINUOUS_QUERY</li><li>CREATE_FUNCTION</li><li>CREATE_ROLE</li><li>CREATE_TIMESERIES</li><li>CREATE_TRIGGER</li><li>CREATE_USER</li><li>DATA</li><li>DATABASE</li><li>DATABASES</li><li>DATANODES</li><li>DEACTIVATE</li><li>DEBUG</li><li>DELETE</li><li>DELETE_ROLE</li><li>DELETE_STORAGE_GROUP</li><li>DELETE_TIMESERIES</li><li>DELETE_USER</li><li>DESC</li><li>DESCRIBE</li><li>DEVICE</li><li>DEVICES</li><li>DISABLE</li><li>DISCARD</li><li>DROP</li><li>DROP_CONTINUOUS_QUERY</li><li>DROP_FUNCTION</li><li>DROP_TRIGGER</li><li>END</li><li>ENDTIME</li><li>EVERY</li><li>EXPLAIN</li><li>FILL</li><li>FILE</li><li>FLUSH</li><li>FOR</li><li>FROM</li><li>FULL</li><li>FUNCTION</li><li>FUNCTIONS</li><li>GLOBAL</li><li>GRANT</li><li>GRANT_ROLE_PRIVILEGE</li><li>GRANT_USER_PRIVILEGE</li><li>GRANT_USER_ROLE</li><li>GROUP</li><li>HAVING</li><li>INDEX</li><li>INFO</li><li>INSERT</li><li>INSERT_TIMESERIES</li><li>INTO</li><li>KILL</li><li>LABEL</li><li>LAST</li><li>LATEST</li><li>LEVEL</li><li>LIKE</li><li>LIMIT</li><li>LINEAR</li><li>LINK</li><li>LIST</li><li>LIST_ROLE</li><li>LIST_USER</li><li>LOAD</li><li>LOCAL</li><li>LOCK</li><li>MERGE</li><li>METADATA</li><li>MODIFY_PASSWORD</li><li>NODES</li><li>NONE</li><li>NOW</li><li>OF</li><li>OFF</li><li>OFFSET</li><li>ON</li><li>ORDER</li><li>ONSUCCESS</li><li>PARTITION</li><li>PASSWORD</li><li>PATHS</li><li>PIPE</li><li>PIPES</li><li>PIPESINK</li><li>PIPESINKS</li><li>PIPESINKTYPE</li><li>POLICY</li><li>PREVIOUS</li><li>PREVIOUSUNTILLAST</li><li>PRIVILEGES</li><li>PROCESSLIST</li><li>PROPERTY</li><li>PRUNE</li><li>QUERIES</li><li>QUERY</li><li>RANGE</li><li>READONLY</li><li>READ_TEMPLATE</li><li>READ_TEMPLATE_APPLICATION</li><li>READ_TIMESERIES</li><li>REGEXP</li><li>REGIONID</li><li>REGIONS</li><li>REMOVE</li><li>RENAME</li><li>RESAMPLE</li><li>RESOURCE</li><li>REVOKE</li><li>REVOKE_ROLE_PRIVILEGE</li><li>REVOKE_USER_PRIVILEGE</li><li>REVOKE_USER_ROLE</li><li>ROLE</li><li>RUNNING</li><li>SCHEMA</li><li>SELECT</li><li>SERIESSLOTID</li><li>SET</li><li>SET_STORAGE_GROUP</li><li>SETTLE</li><li>SGLEVEL</li><li>SHOW</li><li>SLIMIT</li><li>SOFFSET</li><li>STORAGE</li><li>START</li><li>STARTTIME</li><li>STATELESS</li><li>STATEFUL</li><li>STOP</li><li>SYSTEM</li><li>TAGS</li><li>TASK</li><li>TEMPLATE</li><li>TIMEOUT</li><li>TIMESERIES</li><li>TIMESLOTID</li><li>TO</li><li>TOLERANCE</li><li>TOP</li><li>TRACING</li><li>TRIGGER</li><li>TRIGGERS</li><li>TTL</li><li>UNLINK</li><li>UNLOAD</li><li>UNSET</li><li>UPDATE</li><li>UPDATE_TEMPLATE</li><li>UPSERT</li><li>URI</li><li>USER</li><li>USING</li><li>VALUES</li><li>VERIFY</li><li>VERSION</li><li>WATERMARK_EMBEDDING</li><li>WHERE</li><li>WITH</li><li>WITHOUT</li><li>WRITABLE</li></ul></div><!--[--><!----><!--]--><footer 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