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<title>Queries</title>
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<meta name="doctitle" content="Queries" />
<meta name="relnum" content="Release 3.3" />
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<div class="sect3"><!-- infolevel="all" infotype="General" -->
<h1>Queries</h1>
<p><a id="sthref481" name="sthref481"></a><a id="sthref482" name="sthref482"></a><a id="sthref483" name="sthref483"></a>Use the queries area of the JPA Details view to create named queries and named native queries. Refer to <a href="tasks010.htm#BABIGBGG">"Creating queries"</a> for additional information.</p>
<div class="inftblhruleinformalwide">
<table class="HRuleInformalWide" title="This table describes the options on the Persistence Properties view, Inheritance tab." summary="This table describes the options on the Persistence Properties view, Inheritance tab." dir="ltr" border="1" width="100%" frame="hsides" rules="rows" cellpadding="3" cellspacing="0">
<col width="16%" />
<col width="*" />
<col width="16%" />
<col width="19%" />
<thead>
<tr align="left" valign="top">
<th align="left" valign="bottom" id="r1c1-t27">Property</th>
<th align="left" valign="bottom" id="r1c2-t27">Description</th>
<th align="left" valign="bottom" id="r1c3-t27">Default</th>
<th align="left" valign="bottom" id="r1c4-t27">Available for Entity&nbsp;Type</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td align="left" id="r2c1-t27" headers="r1c1-t27">
<p><span class="bold">Queries</span></p>
</td>
<td align="left" headers="r2c1-t27 r1c2-t27">
<p>Displays the existing Named and Native queries.</p>
<p>Click <span class="bold">Add</span> to add a named or named native query by using the <a href="reference076.htm#CACJIFEG">Add Query dialog</a>.</p>
</td>
<td align="left" headers="r2c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r2c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r3c1-t27" headers="r1c1-t27">
<p><span class="bold">Named Queries</span></p>
</td>
<td align="left" headers="r3c1-t27 r1c2-t27"><br /></td>
<td align="left" headers="r3c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r3c1-t27 r1c4-t27"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r4c1-t27" headers="r1c1-t27">
<p>Name</p>
</td>
<td align="left" headers="r4c1-t27 r1c2-t27">
<p>Name of the query.</p>
</td>
<td align="left" headers="r4c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r4c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r5c1-t27" headers="r1c1-t27">
<p>Query</p>
</td>
<td align="left" headers="r5c1-t27 r1c2-t27">
<p>The query SQL.</p>
</td>
<td align="left" headers="r5c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r5c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r6c1-t27" headers="r1c1-t27">
<p>Lock mode</p>
</td>
<td align="left" headers="r6c1-t27 r1c2-t27">
<p>Specify the JPA locking policy.</p>
<ul>
<li>
<p>None</p>
</li>
<li>
<p>Optimistic</p>
</li>
<li>
<p>Optimistic Force Increment</p>
</li>
<li>
<p>Pessimistic Force Increment</p>
</li>
<li>
<p>Pessimistic Read</p>
</li>
<li>
<p>Pessimistic Write</p>
</li>
<li>
<p>Read</p>
</li>
<li>
<p>Write</p>
</li>
</ul>
</td>
<td align="left" headers="r6c1-t27 r1c3-t27">
<p>None</p>
</td>
<td align="left" headers="r6c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r7c1-t27" headers="r1c1-t27">
<p><span class="bold">Native Queries</span></p>
</td>
<td align="left" headers="r7c1-t27 r1c2-t27"><br /></td>
<td align="left" headers="r7c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r7c1-t27 r1c4-t27"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r8c1-t27" headers="r1c1-t27">
<p>Name</p>
</td>
<td align="left" headers="r8c1-t27 r1c2-t27">
<p>Name of the query.</p>
</td>
<td align="left" headers="r8c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r8c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r9c1-t27" headers="r1c1-t27">
<p>Result class</p>
</td>
<td align="left" headers="r9c1-t27 r1c2-t27">
<p>The class of the result.</p>
<p><span class="bold">Note</span>: This field appears for Native Named Queries only.</p>
</td>
<td align="left" headers="r9c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r9c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r10c1-t27" headers="r1c1-t27">
<p>Query</p>
</td>
<td align="left" headers="r10c1-t27 r1c2-t27">
<p>The query SQL.</p>
</td>
<td align="left" headers="r10c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r10c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r11c1-t27" headers="r1c1-t27">
<p><span class="bold">Query hints</span></p>
</td>
<td align="left" headers="r11c1-t27 r1c2-t27">
<p>Displays the existing query hints (Name and Value).</p>
<p>Click Add to add a new query hint.</p>
</td>
<td align="left" headers="r11c1-t27 r1c3-t27"><br /></td>
<td align="left" headers="r11c1-t27 r1c4-t27">
<p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p>
</td>
</tr>
</tbody>
</table>
<br /></div>
<!-- class="inftblhruleinformalwide" -->
<a id="sthref484" name="sthref484"></a>
<p class="subhead2">Related tasks</p>
<ul>
<li>
<p><a href="tasks010.htm#BABIGBGG">Creating queries</a></p>
</li>
</ul>
<a id="sthref485" name="sthref485"></a>
<p class="subhead2">Related reference</p>
<ul>
<li>
<p><a href="ref_persistence_prop_view.htm#BABFAEBB">JPA Details view (for entities)</a></p>
</li>
</ul>
<a id="sthref486" name="sthref486"></a>
<p class="subhead2">Related concepts</p>
<ul>
<li>
<p>"Query Language" in the JPA Specification<br />
<code><a href="http://jcp.org/en/jsr/detail?id=317">http://jcp.org/en/jsr/detail?id=317</a></code></p>
</li>
</ul>
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