1<!--$Id: disk.so,v 1.5 2001/03/28 13:55:10 bostic Exp $--> 2<!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> 3<!--See the file LICENSE for redistribution information.--> 4<html> 5<head> 6<title>Berkeley DB Reference Guide: Release 3.2: upgrade requirements</title> 7<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> 8<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> 9</head> 10<body bgcolor=white> 11<table width="100%"><tr valign=top> 12<td><b><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td> 13<td align=right><a href="/upgrade.3.2/db_dump.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.3.3/intro.html"><img src="/images/next.gif" alt="Next"></a> 14</td></tr></table> 15<p align=center><b>Release 3.2: upgrade requirements</b></p> 16<p>Log file formats and the Queue Access Method database formats changed 17in the Berkeley DB 3.2 release. (The on-disk Queue format changed from 18version 2 to version 3.) Until the underlying databases are upgraded, 19the <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.</p> 20<p>For further information on upgrading Berkeley DB installations, see 21<a href="/ref/upgrade/process.html">Upgrading Berkeley DB 22installations</a>.</p> 23<table width="100%"><tr><td><br></td><td align=right><a href="/upgrade.3.2/db_dump.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.3.3/intro.html"><img src="/images/next.gif" alt="Next"></a> 24</td></tr></table> 25<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 26</body> 27</html> 28