<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Secondary Database Properties</title> <link rel="stylesheet" href="gettingStarted.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Getting Started with Berkeley DB" /> <link rel="up" href="indexes.html" title="Chapter 10. Secondary Databases" /> <link rel="prev" href="keyCreator.html" title="Implementing Key Creators" /> <link rel="next" href="readSecondary.html" title="Reading Secondary Databases" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 12.1.6.1</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">Secondary Database Properties</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="keyCreator.html">Prev</a> </td> <th width="60%" align="center">Chapter 10. Secondary Databases</th> <td width="20%" align="right"> <a accesskey="n" href="readSecondary.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="secondaryProps"></a>Secondary Database Properties</h2> </div> </div> </div> <p>Secondary databases accept <code class="classname">SecondaryConfig</code> objects. <code class="classname">SecondaryConfig</code> is a subclass of <code class="classname">DatabaseConfig</code>, so it can manage all of the same properties as does <code class="classname">DatabaseConfig</code>. See <a class="xref" href="dbprops.html" title="Database Properties">Database Properties</a> for more information.</p> <p>In addition to the <code class="classname">DatabaseConfig</code> properties, <code class="classname">SecondaryConfig</code> also allows you to manage the following properties: </p> <div class="itemizedlist"> <ul type="disc"> <li> <p> <code class="methodname">SecondaryConfig.setAllowPopulate()</code> </p> <p>If true, the secondary database can be auto-populated. This means that on open, if the secondary database is empty then the primary database is read in its entirety and additions/modifications to the secondary's records occur automatically.</p> </li> <li> <p> <code class="methodname">SecondaryConfig.setKeyCreator()</code> </p> <p>Identifies the key creator object to be used for secondary key creation. See <a class="xref" href="keyCreator.html" title="Implementing Key Creators">Implementing Key <span>Creators</span> </a> for more information.</p> </li> </ul> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="keyCreator.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="indexes.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="readSecondary.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">Implementing Key <span>Creators</span> </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> Reading Secondary Databases</td> </tr> </table> </div> </body> </html>