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<p><a id="CIHGBIEI" name="CIHGBIEI"></a></p>
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<h1>Specifying additional tables</h1>
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<p><a id="sthref97" name="sthref97"></a><a id="sthref98" name="sthref98"></a>An entity may inherit properties from other entities. You can specify a specific strategy to use for inheritance.</p>
<p>Use this procedure to specify inheritance (<code>@Inheritance)</code> for an existing entity (<code>@Entity</code>):</p>
<ol type="1" start="1">
<li>
<p>Select the entity in the <span class="gui-object-title">Package Explorer</span>.</p>
</li>
<li>
<p>In the <span class="gui-object-title">JPA Details</span> view, select the <span class="gui-object-action">Secondary Tables</span> information.</p>
<div class="figure"><a id="sthref99" name="sthref99"></a>
<p class="titleinfigure">Specifying Secondary Tables</p>
<img src="img/secondary_tables.png" alt="Secondary Tables area on the JPA Details view." title="Secondary Tables area on the JPA Details view." /><br /></div>
<!-- class="figure" --></li>
<li>
<p>Click <span class="bold">Add</span> to associate an additional table with the entity. The Edit Secondary Table dialog appears</p>
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<li>
<p>Select the <span class="bold">Name</span>, <span class="bold">Catalog</span>, and <span class="bold">Schema</span> of the additional table to associate with the entity.</p>
</li>
</ol>
<p>Eclipse adds the following annotations the entity:</p>
<pre xml:space="preserve" class="oac_no_warn">
@SecondaryTable(name="NAME", catalog = "CATALOG", schema = "SCHEMA"


</pre>
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<img src="img/ngrelr.png" alt="Related reference" title="Related reference" /><br />
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<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br />
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<a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a>
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<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br />
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<a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a><br /></div>
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