62 lines
4.3 KiB
HTML
62 lines
4.3 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="DC.Type" content="concept" />
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<meta name="DC.Title" content="File and member name" />
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<meta name="abstract" content="Before you can process data in a database file, you must identify which file and member you want to use with the FILE and MBR parameters." />
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<meta name="description" content="Before you can process data in a database file, you must identify which file and member you want to use with the FILE and MBR parameters." />
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<meta name="DC.subject" content="database file, naming, override, database member, database file, FILE (File) parameter, MBR (Member) parameter, processing data, Member (MBR) parameter, parameter, FILE, MBR (Member), processing data" />
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<meta name="keywords" content="database file, naming, override, database member, database file, FILE (File) parameter, MBR (Member) parameter, processing data, Member (MBR) parameter, parameter, FILE, MBR (Member), processing data" />
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<meta name="DC.Relation" scheme="URI" content="rbafopreopn.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="rbafofileid" />
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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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<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>File and member name</title>
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</head>
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<body id="rbafofileid"><a name="rbafofileid"><!-- --></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">File and member name</h1>
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<div><p>Before you can process data in a database file, you must identify
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which file and member you want to use with the FILE and MBR parameters.</p>
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<p>Normally, you specify the file name and, optionally, the member name in
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your high-level language program. The system then uses this name when your
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program requests the file to be opened. To override the file name specified
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in your program and open a different file, you can use the TOFILE parameter
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on the Override with Database File (OVRDBF) command. If no member name is
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specified in your program, the first member of the file (as defined by the
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creation date and time) is processed.</p>
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<p>If the member name cannot be specified in the high-level language program
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(some high-level languages do not allow a member name), or you want a member
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other than the first member, you can use an OVRDBF command or an open command
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(OPNDBF or OPNQRYF) to specify the file and member you want to process (using
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the FILE and MBR parameters).</p>
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<div class="p">To process all the members of a file, use the OVRDBF command with the MBR(*ALL)
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parameter specified. For example, if FILEX has three members and you want
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to process all the members, you can specify: <pre>OVRDBF FILE(FILEX) MBR(*ALL)</pre>
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</div>
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<p>If you specify MBR(*ALL) on the OVRDBF command, your program reads the
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members in the order they were created. For each member, your program reads
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the records in keyed or arrival sequence, depending on whether
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the file is an arrival sequence or keyed sequence file.</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="rbafopreopn.htm" title="These topics describe the file processing parameters and other methods or considerations that can affect database file processing.">Database file processing: Runtime considerations</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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