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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> |
| </li> |
| <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" |
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| <a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a> |
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| <a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a><br /></div> |
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