49 lines
2.8 KiB
HTML
49 lines
2.8 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<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))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Example 1: Unique-key processing" />
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<meta name="abstract" content="This example shows how to read only unique-key records." />
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<meta name="description" content="This example shows how to read only unique-key records." />
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<meta name="DC.Relation" scheme="URI" content="rbafoukp.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rbafoukpex1" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Example 1: Unique-key processing</title>
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</head>
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<body id="rbafoukpex1"><a name="rbafoukpex1"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example 1: Unique-key processing</h1>
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<div><p>This example shows how to read only unique-key records.</p>
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<div class="section"><div class="p">Assume that you want to process FILEA, which has
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records with duplicate keys for the <em>Cust</em> field. You want only the first
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record for each unique value of the <em>Cust</em> field to be processed by program
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PGMF. You can specify: <pre>OVRDBF FILE(FILEA) SHARE(*YES)
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OPNQRYF FILE(FILEA) KEYFLD(CUST) UNIQUEKEY(*ALL)
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CALL PGM(PGMF)
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CLOF OPNID(FILEA)
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DLTOVR FILE(FILEA)</pre>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rbafoukp.htm" title="Unique-key processing allows you to process only the first record of a group. The group is defined by one or more records with the same set of key values. Processing the first record implies that the records you receive will have unique keys.">Unique-key processing</a></div>
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</div>
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</div>
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</body>
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</html>
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