<!--$Id: db_truncate.html,v 1.2 2004/03/30 01:22:12 jtownsen Exp $--> <!--$Id: db_truncate.html,v 1.2 2004/03/30 01:22:12 jtownsen Exp $--> <!--Copyright 1997-2003 by Sleepycat Software, Inc.--> <!--All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: db truncate</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <a name="2"><!--meow--></a> <table width="100%"><tr valign=top> <td> <h3><i>db</i> <b>truncate</b></h3> </td> <td align=right> <a href="../api_tcl/tcl_index.html"><img src="../images/api.gif" alt="API"></a> <a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> </td></tr></table> <hr size=1 noshade> <tt> <h3><pre>db truncate [-auto_commit] [-txn txnid] </pre></h3> <h3>Description(db truncate)</h3> <p>Empties the database, discarding all records it contains.</p> <p>The options are as follows:</p> <p><dl compact> <p><dt>-auto_commit<dd>Enclose the call within a transaction. If the call succeeds, changes made by the operation will be recoverable. If the call fails, the operation will have made no changes. <p><dt>-txn txnid<dd>If the operation is to be transaction-protected (other than by specifying the -auto_commit flag), the <b>txnid</b> parameter is a transaction handle returned from <i>env</i> <b>txn</b>. </dl> <p>The <i>db</i> <b>truncate</b> command returns the number of records discarded from the database on success.</p> <p>In the case of error, a Tcl error is thrown.</p> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../api_tcl/tcl_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1><a href="../sleepycat/legal.html">Copyright (c) 1996-2003</a> <a href="http://www.sleepycat.com">Sleepycat Software, Inc.</a> - All rights reserved.</font> </body> </html>