1<!--$Id: db_count.so,v 11.4 2002/08/18 21:17:24 bostic Exp $--> 2<!--$Id: m4.tcl,v 11.28 2004/12/16 19:13:05 bostic Exp $--> 3<!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> 4<!--See the file LICENSE for redistribution information.--> 5<html> 6<head> 7<title>Berkeley DB: db count</title> 8<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> 9<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> 10</head> 11<body bgcolor=white> 12<table width="100%"><tr valign=top> 13<td> 14<b><i>db</i> <b>count</b></b> 15</td> 16<td align=right> 17<a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a> 18<a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td> 19</tr></table> 20<hr size=1 noshade> 21<tt> 22<b><pre>db count key 23</pre></b> 24<b>Description(db count)</b> 25<p>The <i>db</i> <b>count</b> command returns a count of the number of duplicate 26data items for the key given. If the key does not exist, a value of 0 27is returned. If there are no duplicates, or if the database does not 28support duplicates, but a key/data pair exists, a value of 1 is 29returned. If an error occurs, a Berkeley DB error message is returned or a 30Tcl error is thrown.</p> 31</tt> 32<table width="100%"><tr><td><br></td><td align=right> 33<a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> 34</td></tr></table> 35<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 36</body> 37</html> 38