<!--$Id: db_count.so,v 11.1 2000/02/02 18:23:19 sue Exp $--><!--$Id: m4.tcl,v 11.17 2000/04/24 17:31:11 sue Exp $--><!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--><!--All rights reserved.--><html><head><title>Berkeley DB: db count</title><metaname="description"content="Berkeley DB: An embedded database programmatic toolkit."><metaname="keywords"content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"></head><bodybgcolor=white><aname="2"><!--meow--></a><table><trvalign=top><td><h1><i>db</i><b>count</b></h1></td><tdwidth="1%"><ahref="../api_tcl/tcl_index.html"><imgsrc="../images/api.gif"alt="API"></a><ahref="../ref/toc.html"><imgsrc="../images/ref.gif"alt="Ref"></a></td></tr></table><hrsize=1noshade><tt><h3><pre>db count key</pre></h3><h1>Description</h1><p>The <i>db</i><b>count</b> command returns a count of the numberof duplicate data items for the key given.If the key does not exist, a value of 0 is returned.If there are no duplicates, or the database does not supportduplicates, but a key/data pair exists, a value of 1 is returned.If an error occurs, a Berkeley DB error message is returned or a Tcl error isthrown.</tt><table><tr><td><br></td><tdwidth="1%"><ahref="../api_tcl/tcl_index.html"><imgsrc="../images/api.gif"alt="API"></a><ahref="../ref/toc.html"><imgsrc="../images/ref.gif"alt="Ref"></a></td></tr></table><p><fontsize=1><ahref="http://www.sleepycat.com">Copyright Sleepycat Software</a></font></body></html>