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<title>Attribute overrides</title>
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<div class="sect3"><!-- infolevel="all" infotype="General" -->
<h1>Attribute overrides</h1>
<p><a id="sthref214" name="sthref214"></a><a id="sthref215" name="sthref215"></a><a id="sthref216" name="sthref216"></a>Use the <span class="gui-object-title">Attribute Overrides</span> area in the <span class="gui-object-title">JPA Details</span> view to override the default settings specified in the <a href="reference006.htm#CACCAGGC">General information</a> area of an attribute. Attribute overrides generally override/configure attributes that are inherited or embedded.</p>
<p>This table lists the Attribute override fields available in the <span class="gui-object-title">JPA Details</span> view for each entity type.</p>
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<table class="Informal" title="This table describes the options on the Persistence Properties view, General tab." summary="This table describes the options on the Persistence Properties view, General tab." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0">
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<th align="left" valign="bottom" id="r1c1-t14">Property</th>
<th align="left" valign="bottom" id="r1c2-t14">Description</th>
<th align="left" valign="bottom" id="r1c3-t14">Default</th>
<th align="left" valign="bottom" id="r1c4-t14">Available for Entity&nbsp;Type</th>
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<td align="left" id="r2c1-t14" headers="r1c1-t14">Attribute Overrides</td>
<td align="left" headers="r2c1-t14 r1c2-t14">Specify a property or field to be overridden (from the default mappings). Select <span class="bold">Override Default</span>.</td>
<td align="left" headers="r2c1-t14 r1c3-t14"><br /></td>
<td align="left" headers="r2c1-t14 r1c4-t14"><a href="tasks006.htm#BABGBIEE">Entity</a><br /></td>
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<td align="left" id="r3c1-t14" headers="r1c1-t14">Join Columns</td>
<td align="left" headers="r3c1-t14 r1c2-t14">Specify the joining strategy. Select <span class="bold">Override Default</span> to add a different joining strategy.</td>
<td align="left" headers="r3c1-t14 r1c3-t14">Join columns</td>
<td align="left" headers="r3c1-t14 r1c4-t14"><a href="tasks006.htm#BABGBIEE">Entity</a><br /></td>
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<a href="reference006.htm#CACCAGGC">General information</a><br />
<a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a>
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<a href="ref_persistence_prop_view.htm#BABFAEBB">JPA Details view (for entities)</a></div>
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