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<title>Berkeley DB Reference Guide: Release 3.2: upgrade requirements</title>
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<table width="100%"><tr valign=top>
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<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></h3></td>
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<td align=right><a href="../../ref/upgrade.3.2/db_dump.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../reftoc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/upgrade.3.3/intro.html"><img src="../../images/next.gif" alt="Next"></a>
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<h1 align=center>Release 3.2: upgrade requirements</h1>
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<p>Log file formats and the Queue Access Method database formats changed
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in the Berkeley DB 3.2 release. (The on-disk Queue format changed from
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version 2 to version 3.) Until the underlying databases are upgraded,
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the <a href="../../api_c/db_open.html">DB->open</a> method will return a <a href="../../api_c/db_open.html#DB_OLD_VERSION">DB_OLD_VERSION</a> error.
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<p>For further information on upgrading Berkeley DB installations, see
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<a href="../../ref/upgrade/process.html">Upgrading Berkeley DB
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