1<!--$Id: delete.so,v 10.16 2003/10/18 19:15:52 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: Deleting records</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<a name="2"><!--meow--></a> 12<table width="100%"><tr valign=top> 13<td><b><dl><dt>Berkeley DB Reference Guide:<dd>Access Methods</dl></b></td> 14<td align=right><a href="/am/put.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/am/stat.html"><img src="/images/next.gif" alt="Next"></a> 15</td></tr></table> 16<p align=center><b>Deleting records</b></p> 17<p>The <a href="/api_c/db_del.html">DB->del</a> method deletes records from the database. In general, 18<a href="/api_c/db_del.html">DB->del</a> takes a key and deletes the data item associated with 19it from the database.</p> 20<p>If the database has been configured to support duplicate records, the 21<a href="/api_c/db_del.html">DB->del</a> method will remove all of the duplicate records. To remove 22individual duplicate records, you must use a Berkeley DB cursor interface.</p> 23<table width="100%"><tr><td><br></td><td align=right><a href="/am/put.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/am/stat.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