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<h2 title="Annotation Type SecondaryTable" class="title">Annotation Type SecondaryTable</h2>
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<pre>@Repeatable(value=<a href="../../jakarta/persistence/SecondaryTables.html" title="annotation in jakarta.persistence">SecondaryTables.class</a>)
@Target(value=TYPE)
@Retention(value=RUNTIME)
public @interface <span class="memberNameLabel">SecondaryTable</span></pre>
<div class="block">Specifies a secondary table for the annotated entity
class. Specifying one or more secondary tables indicates that the
data for the entity class is stored across multiple tables.
<p> If no <code>SecondaryTable</code> annotation is specified,
it is assumed that all persistent fields or properties of the
entity are mapped to the primary table. If no primary key join
columns are specified, the join columns are assumed to reference
the primary key columns of the primary table, and have the same
names and types as the referenced primary key columns of the
primary table.
<pre>
Example 1: Single secondary table with a single primary key column.
&#064;Entity
&#064;Table(name="CUSTOMER")
&#064;SecondaryTable(name="CUST_DETAIL",
pkJoinColumns=&#064;PrimaryKeyJoinColumn(name="CUST_ID"))
public class Customer { ... }
Example 2: Single secondary table with multiple primary key columns.
&#064;Entity
&#064;Table(name="CUSTOMER")
&#064;SecondaryTable(name="CUST_DETAIL",
pkJoinColumns={
&#064;PrimaryKeyJoinColumn(name="CUST_ID"),
&#064;PrimaryKeyJoinColumn(name="CUST_TYPE")})
public class Customer { ... }
</pre></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.0</dd>
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<h3>Required Element Summary</h3>
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<caption><span>Required Elements</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Required Element and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#name--">name</a></span></code>
<div class="block">(Required) The name of the table.</div>
</td>
</tr>
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<caption><span>Optional Elements</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Optional Element and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#catalog--">catalog</a></span></code>
<div class="block">(Optional) The catalog of the table.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../jakarta/persistence/ForeignKey.html" title="annotation in jakarta.persistence">ForeignKey</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#foreignKey--">foreignKey</a></span></code>
<div class="block">(Optional) Used to specify or control the generation of a
foreign key constraint for the columns corresponding to the
<code>pkJoinColumns</code> element when table generation is
in effect.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../jakarta/persistence/Index.html" title="annotation in jakarta.persistence">Index</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#indexes--">indexes</a></span></code>
<div class="block">(Optional) Indexes for the table.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../jakarta/persistence/PrimaryKeyJoinColumn.html" title="annotation in jakarta.persistence">PrimaryKeyJoinColumn</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#pkJoinColumns--">pkJoinColumns</a></span></code>
<div class="block">(Optional) The columns that are used to join with
the primary table.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#schema--">schema</a></span></code>
<div class="block">(Optional) The schema of the table.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../jakarta/persistence/UniqueConstraint.html" title="annotation in jakarta.persistence">UniqueConstraint</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/SecondaryTable.html#uniqueConstraints--">uniqueConstraints</a></span></code>
<div class="block">(Optional) Unique constraints that are to be placed on the
table.</div>
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</tr>
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<h4>name</h4>
<pre>public abstract&nbsp;java.lang.String&nbsp;name</pre>
<div class="block">(Required) The name of the table.</div>
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<h4>catalog</h4>
<pre>public abstract&nbsp;java.lang.String&nbsp;catalog</pre>
<div class="block">(Optional) The catalog of the table.
<p> Defaults to the default catalog.</div>
<dl>
<dt>Default:</dt>
<dd>""</dd>
</dl>
</li>
</ul>
</li>
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<h4>schema</h4>
<pre>public abstract&nbsp;java.lang.String&nbsp;schema</pre>
<div class="block">(Optional) The schema of the table.
<p> Defaults to the default schema for user.</div>
<dl>
<dt>Default:</dt>
<dd>""</dd>
</dl>
</li>
</ul>
</li>
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<h4>pkJoinColumns</h4>
<pre>public abstract&nbsp;<a href="../../jakarta/persistence/PrimaryKeyJoinColumn.html" title="annotation in jakarta.persistence">PrimaryKeyJoinColumn</a>[]&nbsp;pkJoinColumns</pre>
<div class="block">(Optional) The columns that are used to join with
the primary table.
<p> Defaults to the column(s) of the same name(s)
as the primary key column(s) in the primary table.</div>
<dl>
<dt>Default:</dt>
<dd>{}</dd>
</dl>
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<h4>foreignKey</h4>
<pre>public abstract&nbsp;<a href="../../jakarta/persistence/ForeignKey.html" title="annotation in jakarta.persistence">ForeignKey</a>&nbsp;foreignKey</pre>
<div class="block">(Optional) Used to specify or control the generation of a
foreign key constraint for the columns corresponding to the
<code>pkJoinColumns</code> element when table generation is
in effect. If both this element and the
<code>foreignKey</code> element of any of the
<code>pkJoinColumns</code> elements are specified, the
behavior is undefined. If no foreign key annotation element
is specified in either location, the persistence provider's
default foreign key strategy will apply.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.1</dd>
</dl>
<dl>
<dt>Default:</dt>
<dd>@jakarta.persistence.ForeignKey(jakarta.persistence.ConstraintMode.PROVIDER_DEFAULT)</dd>
</dl>
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<h4>uniqueConstraints</h4>
<pre>public abstract&nbsp;<a href="../../jakarta/persistence/UniqueConstraint.html" title="annotation in jakarta.persistence">UniqueConstraint</a>[]&nbsp;uniqueConstraints</pre>
<div class="block">(Optional) Unique constraints that are to be placed on the
table. These are typically only used if table generation
is in effect. These constraints apply in addition to any
constraints specified by the <code>Column</code> and <code>JoinColumn</code>
annotations and constraints entailed by primary key mappings.
<p> Defaults to no additional constraints.</div>
<dl>
<dt>Default:</dt>
<dd>{}</dd>
</dl>
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<h4>indexes</h4>
<pre>public abstract&nbsp;<a href="../../jakarta/persistence/Index.html" title="annotation in jakarta.persistence">Index</a>[]&nbsp;indexes</pre>
<div class="block">(Optional) Indexes for the table. These are only used if
table generation is in effect.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.1</dd>
</dl>
<dl>
<dt>Default:</dt>
<dd>{}</dd>
</dl>
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