83 lines
4.8 KiB
HTML
83 lines
4.8 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="ZONE (Zone) keyword for physical and logical files" />
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<meta name="abstract" content="Use this key field-level keyword to specify that only the zone portion (farthest left 4 bits) of each byte of the key field is used when constructing a value associated with this key field. The digit portion is filled with zeros." />
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<meta name="description" content="Use this key field-level keyword to specify that only the zone portion (farthest left 4 bits) of each byte of the key field is used when constructing a value associated with this key field. The digit portion is filled with zeros." />
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<meta name="DC.subject" content="ZONE (Zone) keyword" />
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<meta name="keywords" content="ZONE (Zone) keyword" />
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<meta name="DC.Relation" scheme="URI" content="rzakbmstlfkeyw.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="tdzone" />
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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>Physical and Logical Files, ZONE</title>
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</head>
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<body id="tdzone"><a name="tdzone"><!-- --></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">ZONE (Zone) keyword for physical and logical files</h1>
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<div><p>Use this key field-level keyword to specify that only the zone
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portion (farthest left 4 bits) of each byte of the key field is used when
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constructing a value associated with this key field. The digit portion is
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filled with zeros.</p>
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<div class="section"><p>This keyword has no parameters.</p>
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<p>This keyword is applied
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against the entire key field (not just a position within the field) and is
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valid only for character, hexadecimal, or zoned decimal type fields.</p>
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<p>ZONE
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is not allowed with the ABSVAL, SIGNED, or DIGIT keywords.</p>
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<p>If you specify
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ZONE for a key field, the value of the field is treated as a string of unsigned
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binary data rather than signed (which is the default for zoned decimal fields).</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the ZONE keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A K CODE ZONE
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A</pre>
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<p>If CODE is a 1-byte field, the values of the field for
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three different records might be as follows:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="void" border="0" rules="none"><thead align="left"><tr><th valign="top" width="33.33333333333333%" id="d0e43">Values</th>
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<th valign="top" width="33.33333333333333%" id="d0e45">Hexadecimal</th>
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<th valign="top" width="33.33333333333333%" id="d0e47">Digits used for key</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" width="33.33333333333333%" headers="d0e43 ">A</td>
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<td valign="top" width="33.33333333333333%" headers="d0e45 ">C1</td>
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<td valign="top" width="33.33333333333333%" headers="d0e47 ">C</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e43 ">B</td>
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<td valign="top" width="33.33333333333333%" headers="d0e45 ">C2</td>
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<td valign="top" width="33.33333333333333%" headers="d0e47 ">C</td>
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</tr>
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<tr><td valign="top" width="33.33333333333333%" headers="d0e43 ">E</td>
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<td valign="top" width="33.33333333333333%" headers="d0e45 ">C5</td>
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<td valign="top" width="33.33333333333333%" headers="d0e47 ">C</td>
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</tr>
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</tbody>
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</table>
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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="rzakbmstlfkeyw.htm" title="This topic lists valid keyword entries for describing physical and logical files. They are typed in positions 45 through 80 (functions).">Keyword entries for physical and logical files (positions 45 through 80)</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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