65 lines
3.6 KiB
HTML
65 lines
3.6 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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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Index example: Grouping with a shared-weight sort sequence table" />
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<meta name="abstract" content="Grouping with a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR) LANGID(ENU))." />
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<meta name="description" content="Grouping with a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR) LANGID(ENU))." />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Index example: Grouping with a shared-weight sort sequence table</title>
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</head>
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<body id="groupshared"><a name="groupshared"><!-- --></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: Grouping with a shared-weight sort sequence table</h1>
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<div><p>Grouping with a shared-weight sort sequence table (SRTSEQ(*LANGIDSHR)
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LANGID(ENU)).</p>
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<div class="section"><pre> <strong>SELECT</strong> JOB <strong>FROM</strong> STAFF
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<strong>GROUP BY</strong> JOB</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(FORMAT2)
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GRPFLD((JOB))
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SRTSEQ(*LANGIDSHR) LANGID(ENU)</pre>
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</div>
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<div class="section"><p>The system can only use index SHRIX.</p>
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</div>
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<div class="section"><p>The following examples assume that 3 more indexes are created
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over columns JOB and SALARY. The CREATE INDEX statements precede the examples.</p>
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</div>
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<div class="section"><p>Assume an index HEXIX2 was created with *HEX as the sort sequence.
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</p>
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<pre> <strong>CREATE INDEX</strong> HEXIX2 <strong>ON</strong> STAFF (JOB, SALARY)</pre>
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</div>
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<div class="section"><div class="p">Assume that an index UNQIX2 was created and the sort sequence
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is a unique-weight sort sequence. <pre> <strong>CREATE INDEX</strong> UNQIX2 <strong>ON</strong> STAFF (JOB, SALARY)</pre>
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</div>
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</div>
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<div class="section"><p>Assume an index SHRIX2 was created with a shared-weight sort sequence.
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</p>
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<pre> <strong>CREATE INDEX</strong> SHRIX2 <strong>ON</strong> STAFF (JOB, SALARY)</pre>
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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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