59 lines
4.1 KiB
HTML
59 lines
4.1 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="concept" />
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<meta name="DC.Title" content="Conversion between zoned decimal and character or hexadecimal in a DDS file" />
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<meta name="abstract" content="You can convert zoned decimal fields to character or hexadecimal fields and the converse, provided that the field lengths are the same." />
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<meta name="description" content="You can convert zoned decimal fields to character or hexadecimal fields and the converse, provided that the field lengths are the same." />
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<meta name="DC.subject" content="converting between zoned decimal and hexadecimal data types, data types, converting between zoned decimal and hexadecimal data types" />
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<meta name="keywords" content="converting between zoned decimal and hexadecimal data types, data types, converting between zoned decimal and hexadecimal data types" />
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<meta name="DC.Relation" scheme="URI" content="ldata.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2001, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2001, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="convzdec" />
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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>Conversion between zoned decimal and character or hexadecimal in a
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DDS file</title>
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</head>
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<body id="convzdec"><a name="convzdec"><!-- --></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">Conversion between zoned decimal and character or hexadecimal in a
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DDS file</h1>
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<div><p>You can convert zoned decimal fields to character or hexadecimal
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fields and the converse, provided that the field lengths are the same.</p>
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<p>The data type of the field in your program is the data type specified in
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the logical file. No error occurs in an I/O operation if the data passed contains
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only numeric characters (0 through 9). However, your program cannot send an
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I/O operation that attempts to pass characters other than 0 through 9 from
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a character or hexadecimal field to a zoned decimal field. The operating system
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sends a message and the I/O operation cannot be completed.</p>
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<p>For example, suppose that a field is zoned decimal in the
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physical file. If you specify character type (A) for presentation to your
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programs, you must ensure that the field contains only numeric characters
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(0 through 9) when it is returned through the logical file to the physical
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file.</p>
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<p>In another example, suppose a field is a character field in the physical
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file. If you specify the field as a zoned decimal field and as a key field
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in the logical file, you cannot create the logical file unless all records
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in the physical file contain only numeric characters (0 through 9).</p>
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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="ldata.htm" title="For a physical file, use this position to specify the data type of the field within the database. Specify data type in a logical file only to override or change the data type of the corresponding field in the physical file on which this logical file is based.">Data type for physical and logical files (position 35)</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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