54 lines
3.7 KiB
HTML
54 lines
3.7 KiB
HTML
<?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="concept" />
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<meta name="DC.Title" content="Specification references" />
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<meta name="abstract" content="Define all your fields first in the field reference file of your application and refer to them whenever you can: in the database specifications, in device file specifications, and in the high-level language programs. This technique helps you to define the field specifications once and use them again." />
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<meta name="description" content="Define all your fields first in the field reference file of your application and refer to them whenever you can: in the database specifications, in device file specifications, and in the high-level language programs. This technique helps you to define the field specifications once and use them again." />
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<meta name="DC.Relation" scheme="URI" content="rbagsarngandarchdsgngd.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="rbagsspecsrefs" />
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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>Specification references</title>
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</head>
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<body id="rbagsspecsrefs"><a name="rbagsspecsrefs"><!-- --></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">Specification references</h1>
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<div><p>Define all your fields first in the field reference file of your
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application and refer to them whenever you can: in the database specifications,
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in device file specifications, and in the high-level language programs. This
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technique helps you to define the field specifications once and use them again.</p>
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<p>If you need to distinguish between the same field of different sources,
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you can rename or qualify them. Whenever you need to change the definition
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of a specific field, you just need to change the attributes of that field
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in the field reference file and create the objects again. Then the changes
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take place automatically in all the different places where the field is used.</p>
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<p>For example:</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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A REF(field-ref-file-name)
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A R record
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A field R line pos
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or
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A field R line pos REFFLD(ref-field-name)</pre>
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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="rbagsarngandarchdsgngd.htm" title="When you design an international application, consider the ways that you can organize and structure your application so that it can be used in an international environment.">Application arrangement and architecture</a></div>
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</div>
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</div>
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</body>
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</html> |