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<div class="sect1"><!-- infolevel="all" infotype="General" -->
<h1>Modifying persistent project properties</h1>
<p>Each persistent project must be associated with a database connection. To create a new database connection, click <span class="gui-object-action">Database Connection</span> use the New Connection wizard.</p>
<p>Use this procedure to modify the vender-specific platform and database connection associated with your JPA project.</p>
<ol start="1">
<li>
<p>Right-click the project in the <span class="gui-object-title">Explorer</span> view and select <span class="gui-object-action">Properties</span>. The Properties page appears.</p>
<div class="figure"><a id="sthref184" name="sthref184"></a>
<p class="titleinfigure">Properties – Persistence Page</p>
<img src="img/properties_persistence.png" alt="This figure shows the JPA options on the Properties dialog." title="This figure shows the JPA options on the Properties dialog." /><br /></div>
<!-- class="figure" --></li>
<li>
<p>Use this table to complete the remaining fields on the Properties – JPA page and click <span class="bold">OK</span>.</p>
<div class="inftblruleinformal">
<table class="RuleInformal" title="This table lists the fields in the Properties - Java Persistence dialog." summary="This table lists the fields in the Properties - Java Persistence dialog." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0">
<thead>
<tr align="left" valign="top">
<th align="left" valign="bottom" id="r1c1-t18">Property</th>
<th align="left" valign="bottom" id="r1c2-t18">Description</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td align="left" id="r2c1-t18" headers="r1c1-t18">Platform</td>
<td align="left" headers="r2c1-t18 r1c2-t18">Select the vendor-specific platform for the JPA implementation.</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r3c1-t18" headers="r1c1-t18">Database Connection</td>
<td align="left" headers="r3c1-t18 r1c2-t18">Database connection to use to store the persistent entities. To create a new connection, click <span class="bold">Add Connection</span>.</td>
</tr>
</tbody>
</table>
<br /></div>
<!-- class="inftblruleinformal" --></li>
</ol>
<p>To create a new connection, click <span class="bold">Add connections</span>.</p>
<p> </p>
<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br />
<br />
<a href="task_create_new_project.htm#CIHHEJCJ">Creating a new JPA project</a>
<p> </p>
<img src="img/ngrelr.png" alt="Related reference" title="Related reference" /><br />
<br />
<a href="ref_project_properties.htm#BABJHBCI">Project Properties page – JPA Options</a>
<p> </p>
<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br />
<br />
<a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a></div>
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