<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="concept" /> <meta name="DC.Title" content="Define the dependent file in a referential constraint" /> <meta name="abstract" content="A dependent file must be a physical file with a maximum of one member. You can create a dependent file as you do any physical file or use an existing file." /> <meta name="description" content="A dependent file must be a physical file with a maximum of one member. You can create a dependent file as you do any physical file or use an existing file." /> <meta name="DC.Relation" scheme="URI" content="rbaforzahfrce.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rbaforzahfrcj" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Define the dependent file in a referential constraint</title> </head> <body id="rbaforzahfrcj"><a name="rbaforzahfrcj"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Define the dependent file in a referential constraint</h1> <div><p>A dependent file must be a physical file with a maximum of one member. You can create a dependent file as you do any physical file or use an existing file.</p> <p>The dependent file does not require a keyed access path when you create the actual constraint. If no existing access paths meet the foreign key criteria, the system adds an access path to the file.</p> </div> <div> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rbaforzahfrce.htm" title="You can add referential constraints on physical files with no more than one member. A referential constraint is a file-level attribute; therefore, you can create the constraint before the member exists.">Add referential constraints</a></div> </div> </div> </body> </html>