57 lines
3.4 KiB
HTML
57 lines
3.4 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="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="Index example: Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE) and a shared-weight sort sequence table" />
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<meta name="abstract" content="Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE) and a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR) LANGID(ENU)." />
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<meta name="description" content="Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE) and a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR) LANGID(ENU)." />
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<meta name="DC.Relation" scheme="URI" content="indexxmp.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.Language" content="en-us" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Index example: Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE)
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and a shared-weight sort sequence table</title>
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</head>
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<body id="ordgrpsharedweight"><a name="ordgrpsharedweight"><!-- --></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">Index example: Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE)
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and a shared-weight sort sequence table</h1>
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<div><p>Ordering and grouping on the same columns with ALWCPYDTA(*OPTIMIZE)
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and a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR) LANGID(ENU). </p>
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<div class="section"><pre> <strong>SELECT</strong> JOB, SALARY <strong>FROM</strong> STAFF
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<strong>GROUP BY</strong> JOB, SALARY
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<strong>ORDER BY</strong> JOB, SALARY</pre>
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</div>
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<div class="section"><p>When using the <span class="cmdname">OPNQRYF</span> command, specify: </p>
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<pre>OPNQRYF FILE((STAFF)) FORMAT(FORMAT3)
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GRPFLD(JOB SALARY)
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KEYFLD(JOB SALARY)
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SRTSEQ(*LANGIDSHR) LANGID(ENU)
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ALWCPYDTA(*OPTIMIZE)</pre>
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</div>
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<div class="section"><p>The system can use SHRIX2 to satisfy both the grouping and ordering
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requirements. If index SHRIX2 did not exist, the system creates
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an index using a sort sequence table of *LANGIDSHR.</p>
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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="indexxmp.htm" title="The following index examples are provided to help you create effective indexes.">Examples of indexes</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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