1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>Deleting records</title> 7 <link rel="stylesheet" href="gettingStarted.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB Programmer's Reference Guide" /> 10 <link rel="up" href="am.html" title="Chapter 3. Access Method Operations" /> 11 <link rel="prev" href="am_put.html" title="Storing records" /> 12 <link rel="next" href="am_stat.html" title="Database statistics" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">Deleting records</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="am_put.html">Prev</a> </td> 22 <th width="60%" align="center">Chapter 3. 23 Access Method Operations 24 </th> 25 <td width="20%" align="right"> <a accesskey="n" href="am_stat.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="am_delete"></a>Deleting records</h2> 35 </div> 36 </div> 37 </div> 38 <p>The <a href="../api_reference/C/dbdel.html" class="olink">DB->del()</a> method deletes records from the database. In general, 39<a href="../api_reference/C/dbdel.html" class="olink">DB->del()</a> takes a key and deletes the data item associated with 40it from the database.</p> 41 <p>If the database has been configured to support duplicate records, the 42<a href="../api_reference/C/dbdel.html" class="olink">DB->del()</a> method will remove all of the duplicate records. To remove 43individual duplicate records, you must use a Berkeley DB cursor interface.</p> 44 </div> 45 <div class="navfooter"> 46 <hr /> 47 <table width="100%" summary="Navigation footer"> 48 <tr> 49 <td width="40%" align="left"><a accesskey="p" href="am_put.html">Prev</a> </td> 50 <td width="20%" align="center"> 51 <a accesskey="u" href="am.html">Up</a> 52 </td> 53 <td width="40%" align="right"> <a accesskey="n" href="am_stat.html">Next</a></td> 54 </tr> 55 <tr> 56 <td width="40%" align="left" valign="top">Storing records </td> 57 <td width="20%" align="center"> 58 <a accesskey="h" href="index.html">Home</a> 59 </td> 60 <td width="40%" align="right" valign="top"> Database statistics</td> 61 </tr> 62 </table> 63 </div> 64 </body> 65</html> 66