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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-04-21T9:46:24Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="About Records" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10766-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="tdddg_subprograms032.htm" title="Previous" type="text/html" /> <link rel="next" href="tdddg_subprograms034.htm" title="Next" type="text/html" /> <title>About Records</title> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="tdddg_subprograms032.htm"><img width="24" height="24" src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdddg_subprograms034.htm"><img width="24" height="24" src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABJIJGC" name="BABJIJGC"></a><a id="TDDDG99958" name="TDDDG99958"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>About Records</h1> <a name="BEGIN" id="BEGIN"></a> <p>A <a id="sthref439" name="sthref439"></a><span class="bold">record</span> is a PL/SQL <a id="sthref440" name="sthref440"></a><a id="sthref441" name="sthref441"></a>composite variable that can store data values of different types, similar to a <code>struct</code> type in C, C++, or Java. The internal components of a record are called <a id="sthref442" name="sthref442"></a><span class="bold">fields</span>. To access a record field, you use <a id="sthref443" name="sthref443"></a><span class="bold">dot notation</span>: <code><span class="codeinlineitalic">record_name</span></code>.<code><span class="codeinlineitalic">field_name</span></code>.</p> <p>You can treat record fields like scalar variables. You can also pass entire records as <a id="sthref444" name="sthref444"></a>subprogram parameters (if neither the sending nor receiving subprogram is a standalone subprogram).</p> <p>Records are useful for holding data from table rows, or from certain columns of table rows. Each record field corresponds to a table column.</p> <p><a id="sthref445" name="sthref445"></a>There are three ways to create a record:</p> <ul> <li> <p>Declare a <code>RECORD</code> type, and then declare a variable of that type.</p> <p>The syntax is:</p> <pre xml:space="preserve" class="oac_no_warn"> TYPE <span class="italic">record_name</span> IS RECORD ( <span class="italic">field_name</span> <span class="italic">data_type</span> [:= <span class="italic">initial_value</span>] [, <span class="italic">field_name</span> <span class="italic">data_type</span> [:= <span class="italic">initial_value</span> ] ]... ); <span class="italic">variable_name record_name</span>; </pre></li> <li> <p>Declare a variable of the type <code><span class="codeinlineitalic">table_name</span></code><a id="sthref446" name="sthref446"></a><a id="sthref447" name="sthref447"></a><code>%ROWTYPE</code>.</p> <p>The fields of the record have the same names and data types as the columns of the table.</p> </li> <li> <p>Declare a variable of the type <code><span class="codeinlineitalic">cursor_name</span></code><code>%ROWTYPE</code>.</p> <p>The fields of the record have the same names and data types as the columns of the table in the <code>FROM</code> clause of the cursor <code>SELECT</code> statement.</p> </li> </ul> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS00509','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for more information about defining <code>RECORD</code> types and declaring records of that type</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS01338','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for the syntax of a <code>RECORD</code> type definition</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS99971','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for more information about the <code>%ROWTYPE</code> attribute</p> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=LNPLS01342','newWindow').focus()"><span class="italic">Oracle Database PL/SQL Language Reference</span></a> for the syntax of the <code>%ROWTYPE</code> attribute</p> <p><a href="tdddg_subprograms032.htm#CIHHCJDI">Using Records and Cursors</a></p> </div> </div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 1996, 2009, Oracle and/or its affiliates. All rights reserved.</span><br /> <a href="./dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td> <td align="center"><a href="tdddg_subprograms032.htm"><img width="24" height="24" src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdddg_subprograms034.htm"><img width="24" height="24" src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> </div> <!-- class="footer" --> </body> </html>
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