1<!--$Id: isolation.so,v 1.4 2005/10/20 16:14:24 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 4.4: DB_DEGREE_2, DB_DIRTY_READ</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.4.4/autocommit.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.4.4/joinenv.html"><img src="/images/next.gif" alt="Next"></a> 14</td></tr></table> 15<p align=center><b>Release 4.4: DB_DEGREE_2, DB_DIRTY_READ</b></p> 16<p>The names of two isolation-level flags changed in the Berkeley DB 4.4 release. 17The DB_DEGREE_2 flag was renamed to <a href="/api_c/db_cursor.html#DB_READ_COMMITTED">DB_READ_COMMITTED</a>, and the 18DB_DIRTY_READ flag was renamed to <a href="/api_c/db_open.html#DB_READ_UNCOMMITTED">DB_READ_UNCOMMITTED</a>, to match 19ANSI standard names for isolation levels. The historic flag names 20continue to work in this release, but may be removed from future 21releases.</p> 22<table width="100%"><tr><td><br></td><td align=right><a href="/upgrade.4.4/autocommit.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.4.4/joinenv.html"><img src="/images/next.gif" alt="Next"></a> 23</td></tr></table> 24<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 25</body> 26</html> 27