1<!--$Id: count.so,v 1.4 2001/05/05 01:49:20 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: Data item count</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/join.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../am/curclose.html"><img src="../../images/next.gif" alt="Next"></a> 15</td></tr></table> 16<p align=center><b>Data item count</b></p> 17<p>Once a cursor has been initialized to refer to a particular key in the 18database, it can be used to determine the number of data items that are 19stored for any particular key. The <a href="../../api_c/dbc_count.html">DBcursor->count</a> method returns 20this number of data items. The returned value is always one, unless 21the database supports duplicate data items, in which case it may be any 22number of items.</p> 23<table width="100%"><tr><td><br></td><td align=right><a href="../am/join.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../am/curclose.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
