1686 lines
47 KiB
HTML
1686 lines
47 KiB
HTML
<?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="copyright" content="(C) Copyright IBM Corporation 2005" />
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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.Format" content="XHTML" />
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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>Index</title>
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</head>
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<body>
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<h1>Index</h1>
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<a name="IDX0_41" href="#IDX1_41">A</a>
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<a name="IDX0_42" href="#IDX1_42">B</a>
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<a name="IDX0_43" href="#IDX1_43">C</a>
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<a name="IDX0_44" href="#IDX1_44">D</a>
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<a name="IDX0_45" href="#IDX1_45">E</a>
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<a name="IDX0_46" href="#IDX1_46">F</a>
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<a name="IDX0_47" href="#IDX1_47">G</a>
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<a name="IDX0_48" href="#IDX1_48">H</a>
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<a name="IDX0_49" href="#IDX1_49">I</a>
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<a name="IDX0_4A" href="#IDX1_4A">J</a>
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<a name="IDX0_4C" href="#IDX1_4C">L</a>
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<a name="IDX0_4D" href="#IDX1_4D">M</a>
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<a name="IDX0_4E" href="#IDX1_4E">N</a>
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<a name="IDX0_4F" href="#IDX1_4F">O</a>
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<a name="IDX0_50" href="#IDX1_50">P</a>
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<a name="IDX0_51" href="#IDX1_51">Q</a>
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<a name="IDX0_52" href="#IDX1_52">R</a>
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<a name="IDX0_53" href="#IDX1_53">S</a>
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<a name="IDX0_54" href="#IDX1_54">T</a>
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<a name="IDX0_55" href="#IDX1_55">U</a>
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<a name="IDX0_56" href="#IDX1_56">V</a>
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<hr></hr>
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<strong><a name="IDX1_41" href="#IDX0_41">A</a></strong>
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<ul class="indexlist">
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<li>access method
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<ul class="indexlist">
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<li><a href="rzajqbitprobe.htm#rzajqbitprobe">bitmap probe</a>
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</li>
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<li><a href="rzajqbitscan.htm#rzajqbitscan">bitmap scan</a>
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</li>
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<li><a href="rzajqbuffscan.htm#rzajqbuffscan">buffer scan</a>
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</li>
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<li><a href="rzajqcrttbl.htm#rzajqcrttbl">create table</a>
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</li>
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<li><a href="rzajqdequeue.htm#rzajqdequeue">dequeue</a>
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</li>
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<li><a href="perf21c.htm#perf21c">encoded vector index</a>
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</li>
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<li><a href="rzajqeviprobe.htm#rzajqeviprobe">encoded vector index probe</a>
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</li>
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<li><a href="rzajqeviscan.htm#rzajqeviscan">encoded vector index symbol table scan</a>
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</li>
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<li><a href="rzajqenqueue.htm#rzajqenqueue">enqueue</a>
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</li>
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<li><a href="rzajqtemphash.htm#rzajqtemphash">hash table</a>
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</li>
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<li><a href="rzajqhtblprobe.htm#rzajqhtblprobe">hash table probe</a>
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</li>
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<li><a href="rzajqhtblscan.htm#rzajqhtblscan">hash table scan</a>
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</li>
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<li><a href="rzajqlistscan.htm#rzajqlistscan">list scan</a>
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</li>
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<li><a href="rzajqpermobj.htm#rzajqpermobj">permanent objects</a>
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</li>
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<li><a href="rzajqqueue.htm#rzajqqueue">queue</a>
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</li>
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<li><a href="perf21b.htm#perf21b">radix index</a>
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</li>
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<li><a href="rzajqrinprobe.htm#rzajqrinprobe">radix index probe</a>
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</li>
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<li><a href="rzajqrindscan.htm#rzajqindscan">radix index scan</a>
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</li>
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<li><a href="rzajqrnumlistprobe.htm#rzajqrnumlistprobe">row number list probe</a>
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</li>
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<li><a href="rzajqrnumlistscan.htm#rzajqrnumlistscan">row number list scan</a>
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</li>
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<li><a href="rzajqslistprobe.htm#rzajqslistprobe">sorted list probe</a>
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</li>
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<li><a href="rzajqslistscan.htm#rzajqslistscan">sorted list scan</a>
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</li>
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<li><a href="rzajqtblprobe.htm#rzajqtblprobe">table probe</a>
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</li>
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<li><a href="dsscan.htm#dsscan">table scan</a>
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</li>
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<li><a href="rzajqtempbit.htm#rzajqtempbit">temporary bitmap</a>
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</li>
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<li><a href="rzajqtempbuff.htm#rzajqtempbuff">temporary buffer</a>
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</li>
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<li><a href="rzajqtempindex.htm#rzajqtempindex">temporary index</a>
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</li>
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<li><a href="rzajqtempinprobe.htm#rzajqtempinprobe">temporary index probe</a>
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</li>
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<li><a href="rzajqtempinscan.htm#rzajqtempinscan">temporary index scan</a>
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</li>
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<li><a href="rzajqtemplist.htm#rzajqtemplist">temporary list scan</a>
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</li>
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<li><a href="rzajqtempobj.htm#rzajqtempobj">temporary objects</a>
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</li>
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<li><a href="rzajqtemprnl.htm#rzajqtemprnl">temporary row number list</a>
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</li>
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<li><a href="rzajqtempslist.htm#rzajqtempslist">temporary sorted list</a>
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</li>
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</ul>
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</li>
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<li>access plan
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<ul class="indexlist">
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<li><a href="apvalid.htm#apvalid">validation</a>
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</li>
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</ul>
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</li>
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<li>access plan rebuilt
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<ul class="indexlist">
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<li><a href="t3006.htm#t3006">summary row</a>
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</li>
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</ul>
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</li>
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<li>advisor
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<ul class="indexlist">
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<li><a href="idxadvisor.htm#idxadvisor">query optimizer index</a>
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</li>
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</ul>
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</li>
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<li>ALLOCATE clause
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<ul class="indexlist">
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<li><a href="vardatatypes.htm#vardatatypes">performance implications</a>
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</li>
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</ul>
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</li>
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<li><a href="livedata.htm#livedata">allow copy data (ALWCPYDTA) parameter</a>
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</li>
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<li><a href="livedata.htm#livedata">ALWCPYDTA (allow copy data) parameter</a>
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</li>
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<li>APIs
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<ul class="indexlist">
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<li><a href="statsapis.htm#statsapis">statistics manager</a>
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</li>
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</ul>
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</li>
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<li>arrival sequence
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<ul class="indexlist">
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<li><a href="qaqq3000.htm#qaqq3000">qaqq3000</a>
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</li>
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</ul>
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</li>
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</ul>
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<strong><a name="IDX1_42" href="#IDX0_42">B</a></strong>
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<ul class="indexlist">
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<li>bitmap
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<ul class="indexlist">
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<li><a href="rzajqtempbit.htm#rzajqtempbit">access method</a>
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</li>
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</ul>
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</li>
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<li>bitmap created
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<ul class="indexlist">
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<li><a href="t3021.htm#t3021">summary row</a>
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</li>
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</ul>
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</li>
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<li>bitmap merge
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<ul class="indexlist">
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<li><a href="t3022.htm#t3022">summary row</a>
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</li>
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</ul>
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</li>
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<li>bitmap probe
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<ul class="indexlist">
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<li><a href="rzajqbitprobe.htm#rzajqbitprobe">access method</a>
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</li>
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</ul>
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</li>
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<li>bitmap scan
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<ul class="indexlist">
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<li><a href="rzajqbitscan.htm#rzajqbitscan">access method</a>
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</li>
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</ul>
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</li>
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<li>blocking, SQL
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<ul class="indexlist">
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<li><a href="improvesqlblock.htm#improvesqlblock">improving performance</a>
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</li>
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</ul>
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</li>
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<li>blocking consideration
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<ul class="indexlist">
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<li><a href="ipbc.htm#ipbc">using, affect on performance</a>
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</li>
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</ul>
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</li>
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<li>buffer
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<ul class="indexlist">
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<li><a href="rzajqbuffscan.htm#rzajqbuffscan">scan access method</a>
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</li>
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</ul>
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</li>
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</ul>
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<strong><a name="IDX1_43" href="#IDX0_43">C</a></strong>
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<ul class="indexlist">
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<li>calls, number
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<ul class="indexlist">
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<li>using
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<ul class="indexlist">
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<li><a href="fetchnrows.htm#fetchnrows">FETCH statement</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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<li><a href="cancelquery.htm#cancelquery">canceling a query</a>
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</li>
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<li><a href="cqa.htm#cqa">change query attributes</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">Change Query Attributes (CHGQRYA) command</a>
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</li>
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<li>changing
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<ul class="indexlist">
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<li><a href="qryopt.htm#qryopt">query options file</a>
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</li>
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</ul>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">CHGQRYA (Change Query Attributes) command</a>
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</li>
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<li>CLOSQLCSR parameter
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<ul class="indexlist">
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<li><a href="retrs.htm#retrs">using</a>
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</li>
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</ul>
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</li>
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<li>command
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<ul class="indexlist">
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<li><a href="cqa.htm#cqa">CHGQRYA</a>
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</li>
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<li><a href="cqa.htm#cqa">CHGQRYA command</a>
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</li>
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<li><a href="qryoptf.htm#qryoptf">QAQQINI</a>
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</li>
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<li><a href="qryoptf.htm#qryoptf">QAQQINI command</a>
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</li>
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</ul>
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</li>
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<li>command (CL)
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<ul class="indexlist">
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<li><a href="qoptcmds.htm#qoptcmds">Change Query Attributes (CHGQRYA)</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">CHGQRYA (Change Query Attributes)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">Delete Override (DLTOVR)</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">Display Job (DSPJOB)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">Display Journal (DSPJRN)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">DLTOVR (Delete Override)</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">DSPJOB (Display Job)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">DSPJRN (Display Journal)</a>
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</li>
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<li>Override Database File (OVRDBF) <a href="improvesqlblock.htm#improvesqlblock">(1)</a>, <a href="ipbc.htm#ipbc">(2)</a>
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</li>
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<li>OVRDBF (Override Database File) <a href="improvesqlblock.htm#improvesqlblock">(1)</a>, <a href="ipbc.htm#ipbc">(2)</a>
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</li>
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<li>Print SQL Information (PRTSQLINF) <a href="qoptcmds.htm#qoptcmds">(1)</a>, <a href="testperfwithqrygov.htm#testperfwithqrygov">(2)</a>
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</li>
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<li><a href="qryopt.htm#qryopt">QAQQINI</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">Start Database Monitor (STRDBMON)</a>
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</li>
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<li><a href="qoptcmds.htm#qoptcmds">STRDBMON (Start Database Monitor)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">Trace Job (TRCJOB)</a>
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</li>
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<li><a href="reduceopens.htm#reduceopens">TRCJOB (Trace Job)</a>
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</li>
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</ul>
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</li>
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<li>commands
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<ul class="indexlist">
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<li><a href="endbmon.htm#endbmon">End Database Monitor (ENDDBMON)</a>
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</li>
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<li><a href="strdbmon.htm#strdbmon">Start Database Monitor (STRDBMON)</a>
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</li>
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</ul>
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</li>
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<li>commitment control
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<ul class="indexlist">
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<li><a href="qoptcmds.htm#qoptcmds">displaying</a>
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</li>
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</ul>
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</li>
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<li><a href="smp0001.htm#smp0001">controlling parallel processing</a>
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</li>
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<li>copy of the data
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<ul class="indexlist">
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<li><a href="ipuc.htm#ipuc">using to improve performance</a>
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</li>
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</ul>
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</li>
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<li><a href="rzajqsqecqe.htm#rzajqsqecqe">CQE engine</a>
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</li>
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<li>create table
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<ul class="indexlist">
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<li><a href="rzajqcrttbl.htm#rzajqcrttbl">access method</a>
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</li>
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</ul>
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</li>
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<li>cursor
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<ul class="indexlist">
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<li>positions
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<ul class="indexlist">
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<li>retaining across program call <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
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</li>
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<li><a href="retcurs.htm#retcurs">rules for retaining</a>
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</li>
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<li>using to improve performance <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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<strong><a name="IDX1_44" href="#IDX0_44">D</a></strong>
|
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<ul class="indexlist">
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<li>data
|
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<ul class="indexlist">
|
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<li>paging
|
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<ul class="indexlist">
|
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<li><a href="refreshfwd.htm#refreshfwd">interactively displayed to improve performance</a>
|
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</li>
|
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</ul>
|
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</li>
|
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<li>selecting from multiple tables
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<ul class="indexlist">
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">affect on performance</a>
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</li>
|
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</ul>
|
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</li>
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</ul>
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</li>
|
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<li><a href="pimesodp.htm#pimesodp">data path, open</a>
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</li>
|
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<li>database monitor
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<ul class="indexlist">
|
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<li><a href="endbmon.htm#endbmon">end</a>
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</li>
|
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<li>examples <a href="dbmonexamples.htm#dbmonexamples">(1)</a>, <a href="rzajqmon4.htm#rzajqmon4">(2)</a>
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</li>
|
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<li><a href="phfdds.htm#phfdds">physical file DDS</a>
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</li>
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<li><a href="t1000.htm#t1000">SQL table</a>
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</li>
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<li><a href="strdbmon.htm#strdbmon">start</a>
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</li>
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</ul>
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</li>
|
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<li><a href="dbmonperfrows.htm#dbmonperfrows">database monitor performance rows</a>
|
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</li>
|
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<li>database query performance
|
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<ul class="indexlist">
|
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<li><a href="dms.htm#dms">monitoring</a>
|
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</li>
|
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</ul>
|
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</li>
|
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<li>DDS
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<ul class="indexlist">
|
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<li><a href="phfdds.htm#phfdds">database monitor physical file</a>
|
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</li>
|
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</ul>
|
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</li>
|
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<li>definitions
|
|
<ul class="indexlist">
|
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<li><a href="rzajqbinary.htm#rzajqbinary">binary radix index</a>
|
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</li>
|
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<li><a href="rzajqbitprobe.htm#rzajqbitprobe">bitmap probe access method</a>
|
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</li>
|
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<li><a href="rzajqbitscan.htm#rzajqbitscan">bitmap scan access method</a>
|
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</li>
|
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<li><a href="rzajqbuffscan.htm#rzajqbuffscan">buffer scan access method</a>
|
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</li>
|
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<li><a href="rzajqsqecqe.htm#rzajqsqecqe">CQE</a>
|
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</li>
|
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<li><a href="rzajqdequeue.htm#rzajqdequeue">dequeue access method</a>
|
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</li>
|
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<li><a href="c23nl.htm#c23nl">dial</a>
|
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</li>
|
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<li><a href="whatareevi.htm#whatareevi">encoded vector index</a>
|
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</li>
|
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<li><a href="perf21c.htm#perf21c">encoded vector index access method</a>
|
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</li>
|
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<li><a href="rzajqeviprobe.htm#rzajqeviprobe">encoded vector index probe access method</a>
|
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</li>
|
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<li><a href="rzajqeviscan.htm#rzajqeviscan">encoded vector index symbol table scan access method</a>
|
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</li>
|
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<li><a href="rzajqenqueue.htm#rzajqenqueue">enqueue access method</a>
|
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</li>
|
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<li><a href="rzajqhtblprobe.htm#rzajqhtblprobe">hash table probe access method</a>
|
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</li>
|
|
<li><a href="rzajqhtblscan.htm#rzajqhtblscan">hash table scan access method</a>
|
|
</li>
|
|
<li><a href="rzajqpredtrans.htm#rzajqpredtrans">isolatable</a>
|
|
</li>
|
|
<li><a href="rzajqlistscan.htm#rzajqlistscan">list scan access method</a>
|
|
</li>
|
|
<li><a href="apvalid.htm#apvalid">miniplan</a>
|
|
</li>
|
|
<li><a href="pimesodp.htm#pimesodp">open data path</a>
|
|
</li>
|
|
<li><a href="rzajqcache.htm#rzajqcache">plan cache</a>
|
|
</li>
|
|
<li><a href="c23nl.htm#c23nl">primary table</a>
|
|
</li>
|
|
<li><a href="rzajqdispatcher.htm#rzajqdispatcher">query dispatcher</a>
|
|
</li>
|
|
<li><a href="rzajqqueue.htm#rzajqqueue">queue access method</a>
|
|
</li>
|
|
<li><a href="perf21b.htm#perf21b">radix index</a>
|
|
</li>
|
|
<li><a href="rzajqrinprobe.htm#rzajqrinprobe">radix index probe</a>
|
|
</li>
|
|
<li><a href="rzajqrindscan.htm#rzajqindscan">radix index scan access method</a>
|
|
</li>
|
|
<li><a href="rzajqrnumlistprobe.htm#rzajqrnumlistprobe">row number list probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqrnumlistscan.htm#rzajqrnumlistscan">row number list scan access method</a>
|
|
</li>
|
|
<li><a href="c23nl.htm#c23nl">secondary tables</a>
|
|
</li>
|
|
<li><a href="rzajqslistprobe.htm#rzajqslistprobe">sorted list probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqslistscan.htm#rzajqslistscan">sorted list scan access method</a>
|
|
</li>
|
|
<li><a href="rzajqsqecqe.htm#rzajqsqecqe">SQE</a>
|
|
</li>
|
|
<li>statistics manager <a href="rzajqstatsmgr.htm#rzajqstatsmgr">(1)</a>, <a href="statsmanager.htm#statsmanager">(2)</a>
|
|
</li>
|
|
<li><a href="rzajq1parallel.htm#rzajq1parallel">symmetrical multiprocessing</a>
|
|
</li>
|
|
<li><a href="rzajqcrttbl.htm#rzajqcrttbl">table create</a>
|
|
</li>
|
|
<li><a href="rzajqtblprobe.htm#rzajqtblprobe">table probe</a>
|
|
</li>
|
|
<li><a href="dsscan.htm#dsscan">table scan</a>
|
|
</li>
|
|
<li><a href="rzajqtempbit.htm#rzajqtempbit">temporary bitmap access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempbuff.htm#rzajqtempbuff">temporary buffer access method</a>
|
|
</li>
|
|
<li><a href="rzajqtemphash.htm#rzajqtemphash">temporary hash table</a>
|
|
</li>
|
|
<li><a href="rzajqtempindex.htm#rzajqtempindex">temporary index access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempinprobe.htm#rzajqtempinprobe">temporary index probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempinscan.htm#rzajqtempinscan">temporary index scan access method</a>
|
|
</li>
|
|
<li><a href="rzajqtemplist.htm#rzajqtemplist">temporary list access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempobj.htm#rzajqtempobj">temporary objects</a>
|
|
</li>
|
|
<li><a href="rzajqtemprnl.htm#rzajqtemprnl">temporary row number list access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempslist.htm#rzajqtempslist">temporary sorted list access method</a>
|
|
</li>
|
|
<li><a href="visexpl.htm#visexpl">Visual Explain</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">Delete Override (DLTOVR) command</a>
|
|
</li>
|
|
<li>dequeue
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqdequeue.htm#rzajqdequeue">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>detail row
|
|
<ul class="indexlist">
|
|
<li><a href="qqq3019.htm#qqq3019">rows retrieved</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qoptcmds.htm#qoptcmds">Display Job (DSPJOB) command</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">Display Journal (DSPJRN) command</a>
|
|
</li>
|
|
<li>distinct processing
|
|
<ul class="indexlist">
|
|
<li><a href="t3025.htm#t3025">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qoptcmds.htm#qoptcmds">DSPJOB (Display Job) command</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_45" href="#IDX0_45">E</a></strong>
|
|
<ul class="indexlist">
|
|
<li>encoded vector index
|
|
<ul class="indexlist">
|
|
<li><a href="perf21c.htm#perf21c">access method</a>
|
|
</li>
|
|
<li><a href="whentouseevis.htm#whentouseevis">creating</a>
|
|
</li>
|
|
<li><a href="evimaintenance.htm#evimaintenance">maintenance</a>
|
|
</li>
|
|
<li><a href="recommendationsforevi.htm#recommendationsforevi">recommendations</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>encoded vector index probe
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqeviprobe.htm#rzajqeviprobe">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>encoded vector index symbol table scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqeviscan.htm#rzajqeviscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="endbmon.htm#endbmon">End Database Monitor (ENDDBMON) command</a>
|
|
</li>
|
|
<li><a href="endbmon.htm#endbmon">ENDDBMON (end database monitor) command</a>
|
|
</li>
|
|
<li>enqueue
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqenqueue.htm#rzajqenqueue">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>examples
|
|
<ul class="indexlist">
|
|
<li>database monitor <a href="dbmonexamples.htm#dbmonexamples">(1)</a>, <a href="rzajqmon4.htm#rzajqmon4">(2)</a>
|
|
</li>
|
|
<li><a href="qrygovexamp.htm#qrygovexamp">governor</a>
|
|
</li>
|
|
<li><a href="indexxmp.htm#indexxmp">indexes</a>
|
|
</li>
|
|
<li>performance analysis <a href="rzajqmon1.htm#rzajqmon1">(1)</a>, <a href="rzajqmon2.htm#rzajqmon2">(2)</a>, <a href="rzajqmon3.htm#rzajqmon3">(3)</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">reducing the number of open database operation</a>
|
|
</li>
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">selecting data from multiple tables</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_46" href="#IDX0_46">F</a></strong>
|
|
<ul class="indexlist">
|
|
<li>file
|
|
<ul class="indexlist">
|
|
<li><a href="qryopt.htm#qryopt">query options</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_47" href="#IDX0_47">G</a></strong>
|
|
<ul class="indexlist">
|
|
<li>generic query information
|
|
<ul class="indexlist">
|
|
<li>summary row <a href="t3014.htm#t3014">(1)</a>, <a href="t3015.htm#t3015">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="govrle.htm#govrle">governor</a>
|
|
<ul class="indexlist">
|
|
<li><a href="controldefaultreply.htm#controldefaultreply">*DFT</a>
|
|
</li>
|
|
<li><a href="controldefaultreply.htm#controldefaultreply">*RQD</a>
|
|
</li>
|
|
<li><a href="controldefaultreply.htm#controldefaultreply">*SYSRPYL</a>
|
|
</li>
|
|
<li><a href="govrle.htm#govrle">CHGQRYA</a>
|
|
</li>
|
|
<li><a href="howqrygovworks.htm#howqrygovworks">JOB</a>
|
|
</li>
|
|
<li><a href="govrle.htm#govrle">QRYTIMLMT</a>
|
|
</li>
|
|
<li><a href="howqrygovworks.htm#howqrygovworks">time limit</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>grouping
|
|
<ul class="indexlist">
|
|
<li>summary row <a href="t3028.htm#t3028">(1)</a>, <a href="t3030.htm#t3030">(2)</a>, <a href="t3031.htm#t3030">(3)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="groupopt.htm#groupopt">grouping optimization</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_48" href="#IDX0_48">H</a></strong>
|
|
<ul class="indexlist">
|
|
<li><a href="c23nl.htm#c23nl">hash join</a>
|
|
</li>
|
|
<li>hash table
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtemphash.htm#rzajqtemphash">access method</a>
|
|
</li>
|
|
<li><a href="rzajqhtblprobe.htm#rzajqhtblprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqhtblscan.htm#rzajqhtblscan">scan access method</a>
|
|
</li>
|
|
<li><a href="t3023.htm#t3023">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>host variable
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3010.htm#qaqq3010">qaqq3010</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>host variable and ODP implementation
|
|
<ul class="indexlist">
|
|
<li><a href="t3010.htm#t3010">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_49" href="#IDX0_49">I</a></strong>
|
|
<ul class="indexlist">
|
|
<li>improving performance <a href="livedata.htm#livedata">(1)</a>, <a href="ipuc.htm#ipuc">(2)</a>
|
|
<ul class="indexlist">
|
|
<li><a href="ipbc.htm#ipbc">blocking, using</a>
|
|
</li>
|
|
<li><a href="perf15.htm#perf15">join queries</a>
|
|
</li>
|
|
<li><a href="refreshfwd.htm#refreshfwd">paging interactively displayed data</a>
|
|
</li>
|
|
<li><a href="ipps.htm#ipps">PREPARE statement</a>
|
|
</li>
|
|
<li>retaining cursor positions across program call <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
<li><a href="selectopt.htm#selectopt">SELECT statements, using effectively</a>
|
|
</li>
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">selecting data from multiple tables</a>
|
|
</li>
|
|
<li><a href="improvesqlblock.htm#improvesqlblock">SQL blocking</a>
|
|
</li>
|
|
<li>using
|
|
<ul class="indexlist">
|
|
<li>close SQL cursor (CLOSQLCSR) <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
<li><a href="fetchnrows.htm#fetchnrows">FETCH FOR n ROWS</a>
|
|
</li>
|
|
<li><a href="insertnrows.htm#insertnrows">INSERT n ROWS</a>
|
|
</li>
|
|
<li><a href="precompileopts.htm#precompileopts">precompile options</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>index
|
|
<ul class="indexlist">
|
|
<li><a href="perf21b.htm#perf21b">access method</a>
|
|
</li>
|
|
<li><a href="rzajqindexopt.htm#rzajqindexopt">and the optimizer</a>
|
|
</li>
|
|
<li><a href="rzajqbinary.htm#rzajqbinary">binary radix index</a>
|
|
</li>
|
|
<li><a href="rzajqeffectindex.htm#rzajqeffectindex">coding for effective indexes</a>
|
|
</li>
|
|
<li><a href="rzajqradixevi.htm#rzajqradixevi">comparing radix and encoded vector indexes</a>
|
|
</li>
|
|
<li><a href="efindex.htm#efindex">creating a strategy</a>
|
|
</li>
|
|
<li><a href="whatareevi.htm#whatareevi">encoded vector index</a>
|
|
</li>
|
|
<li><a href="perf21c.htm#perf21c">encoded vector index access method</a>
|
|
</li>
|
|
<li><a href="evimaintenance.htm#evimaintenance">encoded vector index maintenance</a>
|
|
</li>
|
|
<li><a href="rzajqeviprobe.htm#rzajqeviprobe">encoded vector index probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqeviscan.htm#rzajqeviscan">encoded vector index symbol table scan access method</a>
|
|
</li>
|
|
<li><a href="indexxmp.htm#indexxmp">examples</a>
|
|
</li>
|
|
<li><a href="rzajqrinprobe.htm#rzajqrinprobe">index probe access method</a>
|
|
</li>
|
|
<li><a href="genidxmaint.htm#genidxmaint">maintenance</a>
|
|
</li>
|
|
<li><a href="recommendationsforevi.htm#recommendationsforevi">recommendations for encoded vector indexes</a>
|
|
</li>
|
|
<li><a href="rzajqrindscan.htm#rzajqindscan">scan access method</a>
|
|
</li>
|
|
<li><a href="statsvindex.htm#statsvindex">statistics versus indexes</a>
|
|
</li>
|
|
<li><a href="rzajqindexstrat.htm#rzajqindexstrat">strategy</a>
|
|
</li>
|
|
<li>temporary
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtempinprobe.htm#rzajqtempinprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempinscan.htm#rzajqtempinscan">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="rzajqtempindex.htm#rzajqtempindex">temporary access method</a>
|
|
</li>
|
|
<li><a href="usesortseq.htm#usesortseq">using with sort sequence</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>index advisor
|
|
<ul class="indexlist">
|
|
<li><a href="idxadvisor.htm#idxadvisor">query optimizer</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>index created
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3002.htm#qaqq3002">qaqq3002</a>
|
|
</li>
|
|
<li><a href="t3002.htm#t3002">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>information messages
|
|
<ul class="indexlist">
|
|
<li>open data path <a href="pimesodp.htm#pimesodp">(1)</a>, <a href="sql7939.htm#sql7939">(2)</a>
|
|
</li>
|
|
<li><a href="pimes.htm#pimes">performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>INSERT n ROWS
|
|
<ul class="indexlist">
|
|
<li><a href="insertnrows.htm#insertnrows">improving performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>interactively displayed data, paging
|
|
<ul class="indexlist">
|
|
<li><a href="refreshfwd.htm#refreshfwd">affect on performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_4A" href="#IDX0_4A">J</a></strong>
|
|
<ul class="indexlist">
|
|
<li><a href="howqrygovworks.htm#howqrygovworks">JOB</a>
|
|
</li>
|
|
<li>join
|
|
<ul class="indexlist">
|
|
<li><a href="c23nl.htm#c23nl">hash</a>
|
|
</li>
|
|
<li><a href="perf24.htm#perf24">optimization</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>join optimization
|
|
<ul class="indexlist">
|
|
<li><a href="perf15.htm#perf15">performance tips</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>join order
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqjoinorder.htm#rzajqjoinorder">optimization</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>join secondary dials
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqjoinorder.htm#rzajqjoinorder">costing</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_4C" href="#IDX0_4C">L</a></strong>
|
|
<ul class="indexlist">
|
|
<li><a href="howqrygovworks.htm#howqrygovworks">limit, time</a>
|
|
</li>
|
|
<li>list scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqlistscan.htm#rzajqlistscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>live data
|
|
<ul class="indexlist">
|
|
<li><a href="livedata.htm#livedata">using to improve performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>locks
|
|
<ul class="indexlist">
|
|
<li><a href="qoptcmds.htm#qoptcmds">analyzing</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>long object names
|
|
<ul class="indexlist">
|
|
<li><a href="longobjnames.htm#longobjnames">performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="rzajqlpg.htm#rzajqlpg">look ahead predicate generation</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_4D" href="#IDX0_4D">M</a></strong>
|
|
<ul class="indexlist">
|
|
<li>materialized query table
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3030.htm#qaqq3010">qaqq3030</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>message
|
|
<ul class="indexlist">
|
|
<li><a href="qodm.htm#qodm">cause and user response</a>
|
|
</li>
|
|
<li><a href="qodm.htm#qodm">debug mode</a>
|
|
</li>
|
|
<li>open data path information <a href="pimesodp.htm#pimesodp">(1)</a>, <a href="sql7939.htm#sql7939">(2)</a>
|
|
</li>
|
|
<li><a href="pimes.htm#pimes">performance information</a>
|
|
</li>
|
|
<li><a href="psi.htm#psi">PRTSQLINF</a>
|
|
<ul class="indexlist">
|
|
<li><a href="psi.htm#psi">viewing with iSeries Navigator</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qodm.htm#qodm">viewing with iSeries Navigator</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="endbmon.htm#endbmon">monitor (ENDDBMON) command, end database</a>
|
|
</li>
|
|
<li>monitoring
|
|
<ul class="indexlist">
|
|
<li><a href="dms.htm#dms">database query performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>multiple
|
|
<ul class="indexlist">
|
|
<li>table
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">improving performance when selecting data from</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_4E" href="#IDX0_4E">N</a></strong>
|
|
<ul class="indexlist">
|
|
<li><a href="c23nl.htm#c23nl">nested loop join</a>
|
|
</li>
|
|
<li>number of calls
|
|
<ul class="indexlist">
|
|
<li><a href="fetchnrows.htm#fetchnrows">using a FETCH statement</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>number of open database operations
|
|
<ul class="indexlist">
|
|
<li><a href="reduceopens.htm#reduceopens">improving performance by reducing</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_4F" href="#IDX0_4F">O</a></strong>
|
|
<ul class="indexlist">
|
|
<li>ODP implementation and host variable
|
|
<ul class="indexlist">
|
|
<li><a href="t3010.htm#t3010">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>open
|
|
<ul class="indexlist">
|
|
<li><a href="reduceopens.htm#reduceopens">closing</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">determining number</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">effect on performance</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">reducing number</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>open data path
|
|
<ul class="indexlist">
|
|
<li><a href="pimesodp.htm#pimesodp">definition</a>
|
|
</li>
|
|
<li><a href="pimesodp.htm#pimesodp">information messages</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="queryopt.htm#queryopt">OPNQRYF (Open Query File) command</a>
|
|
</li>
|
|
<li><a href="per0001.htm#per0001">optimization</a>
|
|
<ul class="indexlist">
|
|
<li><a href="groupopt.htm#groupopt">grouping</a>
|
|
</li>
|
|
<li><a href="perf24.htm#perf24">join</a>
|
|
</li>
|
|
<li><a href="rzajqjoinorder.htm#rzajqjoinorder">join order</a>
|
|
</li>
|
|
<li><a href="c23nl.htm#c23nl">nested loop join</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>optimizer
|
|
<ul class="indexlist">
|
|
<li><a href="perf30.htm#perf30">operation</a>
|
|
</li>
|
|
<li><a href="idxadvisor.htm#idxadvisor">query index advisor</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>optimizer information
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3007.htm#qaqq3007">qaqq3007</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>optimizer timed out
|
|
<ul class="indexlist">
|
|
<li><a href="t3007.htm#t3007">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>options, precompile
|
|
<ul class="indexlist">
|
|
<li><a href="precompileopts.htm#precompileopts">improving performance by using</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>output
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqmon2.htm#rzajqmon2">all queries that performed table scans</a>
|
|
</li>
|
|
<li><a href="rzajqmon1.htm#rzajqmon1">SQL queries that performed table scans</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="improvesqlblock.htm#improvesqlblock">Override Database File (OVRDBF) command</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_50" href="#IDX0_50">P</a></strong>
|
|
<ul class="indexlist">
|
|
<li>paging
|
|
<ul class="indexlist">
|
|
<li><a href="refreshfwd.htm#refreshfwd">interactively displayed data</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>parallel processing
|
|
<ul class="indexlist">
|
|
<li>controlling
|
|
<ul class="indexlist">
|
|
<li><a href="joblevelpar.htm#joblevelpar">in jobs (CHGQRYA command)</a>
|
|
</li>
|
|
<li><a href="syswidepar.htm#syswidepar">system wide (QQRYDEGREE) value</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>parameters, command
|
|
<ul class="indexlist">
|
|
<li>ALWCPYDTA (allow copy data) <a href="livedata.htm#livedata">(1)</a>, <a href="ipuc.htm#ipuc">(2)</a>
|
|
</li>
|
|
<li>CLOSQLCSR (close SQL cursor) <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="pimesodp.htm#pimesodp">path, open data</a>
|
|
</li>
|
|
<li><a href="per0001.htm#per0001">performance</a>
|
|
<ul class="indexlist">
|
|
<li><a href="pimes.htm#pimes">information messages</a>
|
|
</li>
|
|
<li><a href="queryopt.htm#queryopt">monitoring</a>
|
|
</li>
|
|
<li><a href="dms.htm#dms">monitoring query</a>
|
|
</li>
|
|
<li>open data path messages <a href="pimesodp.htm#pimesodp">(1)</a>, <a href="sql7939.htm#sql7939">(2)</a>
|
|
</li>
|
|
<li><a href="queryopt.htm#queryopt">OPNQRYF</a>
|
|
</li>
|
|
<li><a href="queryopt.htm#queryopt">optimizing</a>
|
|
</li>
|
|
<li><a href="queryopt.htm#queryopt">tools</a>
|
|
</li>
|
|
<li><a href="longobjnames.htm#longobjnames">using long object names</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>performance analysis
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqmon1.htm#rzajqmon1">example 1</a>
|
|
</li>
|
|
<li><a href="rzajqmon2.htm#rzajqmon2">example 2</a>
|
|
</li>
|
|
<li><a href="rzajqmon3.htm#rzajqmon3">example 3</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>performance considerations <a href="testperfwithqrygov.htm#testperfwithqrygov">(1)</a>, <a href="reduceopens.htm#reduceopens">(2)</a>
|
|
</li>
|
|
<li>performance improvement
|
|
<ul class="indexlist">
|
|
<li><a href="ipbc.htm#ipbc">blocking, using</a>
|
|
</li>
|
|
<li><a href="refreshfwd.htm#refreshfwd">paging interactively displayed data</a>
|
|
</li>
|
|
<li><a href="ipps.htm#ipps">PREPARE statement</a>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">reducing number of open database operation</a>
|
|
</li>
|
|
<li>retaining cursor positions across program call <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
<li><a href="selectopt.htm#selectopt">SELECT statements, using effectively</a>
|
|
</li>
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">selecting data from multiple tables</a>
|
|
</li>
|
|
<li><a href="improvesqlblock.htm#improvesqlblock">SQL blocking</a>
|
|
</li>
|
|
<li><a href="ipuc.htm#ipuc">using copy of the data</a>
|
|
</li>
|
|
<li><a href="insertnrows.htm#insertnrows">using INSERT n ROWS</a>
|
|
</li>
|
|
<li><a href="livedata.htm#livedata">using live data</a>
|
|
</li>
|
|
<li><a href="precompileopts.htm#precompileopts">using precompile options</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>performance rows
|
|
<ul class="indexlist">
|
|
<li><a href="dbmonperfrows.htm#dbmonperfrows">database monitor</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>permanent objects
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqpermobj.htm#rzajqpermobj">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>physical file DDS
|
|
<ul class="indexlist">
|
|
<li><a href="phfdds.htm#phfdds">database monitor</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="rzajqcache.htm#rzajqcache">plan cache</a>
|
|
</li>
|
|
<li>precompile options
|
|
<ul class="indexlist">
|
|
<li><a href="precompileopts.htm#precompileopts">improving performance, using</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>precompiler command
|
|
<ul class="indexlist">
|
|
<li>default <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>precompiler parameter
|
|
<ul class="indexlist">
|
|
<li><a href="livedata.htm#livedata">ALWCPYDTA</a>
|
|
</li>
|
|
<li><a href="retrs.htm#retrs">CLOSQLCSR</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>predicate
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqpredtrans.htm#rzajqpredtrans">transitive closure</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="govrle.htm#govrle">Predictive Query Governor</a>
|
|
</li>
|
|
<li>PREPARE statement
|
|
<ul class="indexlist">
|
|
<li><a href="ipps.htm#ipps">improving performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>Print SQL Information (PRTSQLINF) <a href="qoptcmds.htm#qoptcmds">(1)</a>, <a href="testperfwithqrygov.htm#testperfwithqrygov">(2)</a>
|
|
</li>
|
|
<li>problems
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqjoinproblems.htm#rzajqjoinproblems">join query performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>program calls
|
|
<ul class="indexlist">
|
|
<li><a href="retrs.htm#retrs">rules for retaining cursor positions</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_51" href="#IDX0_51">Q</a></strong>
|
|
<ul class="indexlist">
|
|
<li>qaqq3000
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3000.htm#qaqq3000">arrival sequence</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3001
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3001.htm#qaqq3001">using existing index</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3002
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3002.htm#qaqq3002">index created</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3003
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3003.htm#qaqq3003">query sort</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3004
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3004.htm#qaqq3004">temporary table</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3007
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3007.htm#qaqq3007">optimizer information</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3008
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3008.htm#qaqq3008">subquery processing</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3010
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3010.htm#qaqq3010">host variable</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>qaqq3030
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3030.htm#qaqq3010">materialized query table</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qryopt.htm#qryopt">QAQQINI</a>
|
|
</li>
|
|
<li><a href="apvalid.htm#apvalid">QDT</a>
|
|
</li>
|
|
<li>QRYTIMLMT parameter
|
|
<ul class="indexlist">
|
|
<li><a href="qoptcmds.htm#qoptcmds">CHGQRYA (Change Query Attributes) command</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>query
|
|
<ul class="indexlist">
|
|
<li><a href="cancelquery.htm#cancelquery">canceling</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="apvalid.htm#apvalid">Query Definition Template (QDT)</a>
|
|
</li>
|
|
<li><a href="rzajqdispatcher.htm#rzajqdispatcher">query dispatcher</a>
|
|
</li>
|
|
<li><a href="queryoptimize.htm#queryoptimize">query engine overview</a>
|
|
</li>
|
|
<li><a href="per0001.htm#per0001">query optimizer</a>
|
|
<ul class="indexlist">
|
|
<li><a href="decmakrules.htm#decmakrules">decision-making rules</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="idxadvisor.htm#idxadvisor">query optimizer index advisor</a>
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqovrve.htm#rzajqovrve">in Visual Explain</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>query options
|
|
<ul class="indexlist">
|
|
<li><a href="qryopt.htm#qryopt">file</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qryoptf.htm#qryoptf">query options file</a>
|
|
<ul class="indexlist">
|
|
<li><a href="qryopt.htm#qryopt">changing</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>query performance
|
|
<ul class="indexlist">
|
|
<li><a href="dms.htm#dms">monitoring</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>query sort
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3003.htm#qaqq3003">qaqq3003</a>
|
|
</li>
|
|
<li><a href="t3003.htm#t3003">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="howqrygovworks.htm#howqrygovworks">query time limit</a>
|
|
</li>
|
|
<li>queue
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqqueue.htm#rzajqqueue">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_52" href="#IDX0_52">R</a></strong>
|
|
<ul class="indexlist">
|
|
<li>radix index
|
|
<ul class="indexlist">
|
|
<li><a href="perf21b.htm#perf21b">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>radix index probe
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqrinprobe.htm#rzajqrinprobe">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>radix index scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqrindscan.htm#rzajqindscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>reducing number of open database operations
|
|
<ul class="indexlist">
|
|
<li><a href="reduceopens.htm#reduceopens">improving performance, example</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>Reorganize Physical File Member (RGZPFM) command
|
|
<ul class="indexlist">
|
|
<li><a href="vardatatypes.htm#vardatatypes">effect on variable-length columns</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>resource
|
|
<ul class="indexlist">
|
|
<li><a href="per0001.htm#per0001">optimization</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>retaining cursor positions
|
|
<ul class="indexlist">
|
|
<li>across program call
|
|
<ul class="indexlist">
|
|
<li>improving performance <a href="retcurs.htm#retcurs">(1)</a>, <a href="retcrs.htm#retcrs">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>all program calls
|
|
<ul class="indexlist">
|
|
<li><a href="retrs.htm#retrs">rules</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>row number list probe
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqrnumlistprobe.htm#rzajqrnumlistprobe">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>row number list scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqrnumlistscan.htm#rzajqrnumlistscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>rows
|
|
<ul class="indexlist">
|
|
<li><a href="dbmonperfrows.htm#dbmonperfrows">database monitor performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>ROWS, INSERT n
|
|
<ul class="indexlist">
|
|
<li><a href="insertnrows.htm#insertnrows">improving performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>rows retrieved
|
|
<ul class="indexlist">
|
|
<li><a href="qqq3019.htm#qqq3019">detail row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>rule
|
|
<ul class="indexlist">
|
|
<li>retaining cursor positions
|
|
<ul class="indexlist">
|
|
<li><a href="retrs.htm#retrs">program calls</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_53" href="#IDX0_53">S</a></strong>
|
|
<ul class="indexlist">
|
|
<li>SELECT statement
|
|
<ul class="indexlist">
|
|
<li><a href="selectopt.htm#selectopt">using effectively to improve performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>selecting
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">data from multiple tables</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qrygovexamp.htm#qrygovexamp">setting query time limit</a>
|
|
</li>
|
|
<li>sort sequence
|
|
<ul class="indexlist">
|
|
<li><a href="usesortseq.htm#usesortseq">using indexes</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>sorted list probe
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqslistprobe.htm#rzajqslistprobe">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>sorted list scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqslistscan.htm#rzajqslistscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="rzajqsqecqe.htm#rzajqsqecqe">SQE engine</a>
|
|
</li>
|
|
<li>SQL blocking
|
|
<ul class="indexlist">
|
|
<li><a href="improvesqlblock.htm#improvesqlblock">improving performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>SQL information
|
|
<ul class="indexlist">
|
|
<li>summary row <a href="t1000.htm#t1000">(1)</a>, <a href="qaqqqryi.htm#qaqqqryi">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>SQL table
|
|
<ul class="indexlist">
|
|
<li><a href="t1000.htm#t1000">database monitor view</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>SQL view
|
|
<ul class="indexlist">
|
|
<li><a href="t1000.htm#t1000">database monitor</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>Start Database Monitor (STRDBMON) command <a href="qoptcmds.htm#qoptcmds">(1)</a>, <a href="strdbmon.htm#strdbmon">(2)</a>
|
|
</li>
|
|
<li>statements
|
|
<ul class="indexlist">
|
|
<li>FETCH
|
|
<ul class="indexlist">
|
|
<li><a href="fetchnrows.htm#fetchnrows">FOR n ROWS</a>
|
|
</li>
|
|
<li><a href="fetchnrows.htm#fetchnrows">number of calls</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>INSERT
|
|
<ul class="indexlist">
|
|
<li><a href="insertnrows.htm#insertnrows">n ROWS</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>PREPARE
|
|
<ul class="indexlist">
|
|
<li><a href="ipps.htm#ipps">improving performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>statistics manager <a href="rzajqstatsmgr.htm#rzajqstatsmgr">(1)</a>, <a href="statsmanager.htm#statsmanager">(2)</a>
|
|
<ul class="indexlist">
|
|
<li><a href="statsapis.htm#statsapis">APIs</a>
|
|
</li>
|
|
<li><a href="autostats.htm#autostats">automatic statistics collection</a>
|
|
</li>
|
|
<li><a href="autostatsrefresh.htm#autostatsrefresh">automatic statistics refresh</a>
|
|
</li>
|
|
<li><a href="statexist.htm#statexist">determining existence</a>
|
|
</li>
|
|
<li><a href="statsmanually.htm#statsmanually">manually collecting and refreshing statistics</a>
|
|
</li>
|
|
<li><a href="monitorstats.htm#monitorstats">monitoring background statistics collection</a>
|
|
</li>
|
|
<li><a href="replicatestats.htm#replicatestats">replication of column statistics</a>
|
|
</li>
|
|
<li><a href="statsvindex.htm#statsvindex">statistics versus indexes</a>
|
|
</li>
|
|
<li><a href="rzajqstatsrequest.htm#rzajqstatsrequest">viewing statistics requests</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>STRDBMON (Start Database Monitor) command <a href="qoptcmds.htm#qoptcmds">(1)</a>, <a href="strdbmon.htm#strdbmon">(2)</a>
|
|
</li>
|
|
<li>STRDBMON/ENDDBMON commands
|
|
<ul class="indexlist">
|
|
<li><a href="t3018.htm#t3018">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>subquery merge
|
|
<ul class="indexlist">
|
|
<li><a href="t3027.htm#t3027">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>subquery processing
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3008.htm#qaqq3008">qaqq3008</a>
|
|
</li>
|
|
<li><a href="t3008.htm#t3008">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>summary row
|
|
<ul class="indexlist">
|
|
<li><a href="t3006.htm#t3006">access plan rebuilt</a>
|
|
</li>
|
|
<li><a href="t3021.htm#t3021">bitmap created</a>
|
|
</li>
|
|
<li><a href="t3022.htm#t3022">bitmap merge</a>
|
|
</li>
|
|
<li><a href="t3025.htm#t3025">distinct processing</a>
|
|
</li>
|
|
<li>generic query information <a href="t3014.htm#t3014">(1)</a>, <a href="t3015.htm#t3015">(2)</a>
|
|
</li>
|
|
<li>grouping <a href="t3028.htm#t3028">(1)</a>, <a href="t3030.htm#t3030">(2)</a>, <a href="t3031.htm#t3030">(3)</a>
|
|
</li>
|
|
<li><a href="t3023.htm#t3023">hash table</a>
|
|
</li>
|
|
<li><a href="t3010.htm#t3010">host variable and ODP implementation</a>
|
|
</li>
|
|
<li><a href="t3002.htm#t3002">index created</a>
|
|
</li>
|
|
<li><a href="t3007.htm#t3007">optimizer timed out</a>
|
|
</li>
|
|
<li><a href="t3003.htm#t3003">query sort</a>
|
|
</li>
|
|
<li><a href="t1000.htm#t1000">SQL information</a>
|
|
</li>
|
|
<li><a href="t3018.htm#t3018">STRDBMON/ENDDBMON commands</a>
|
|
</li>
|
|
<li><a href="t3027.htm#t3027">subquery merge</a>
|
|
</li>
|
|
<li><a href="t3008.htm#t3008">subquery processing</a>
|
|
</li>
|
|
<li><a href="t3005.htm#t3005">table locked</a>
|
|
</li>
|
|
<li>table scan <a href="t3000.htm#t3000">(1)</a>, <a href="t3026.htm#t3000">(2)</a>
|
|
</li>
|
|
<li><a href="t3004.htm#t3004">temporary table</a>
|
|
</li>
|
|
<li><a href="t3001.htm#t3001">using existing index</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>summary rows
|
|
<ul class="indexlist">
|
|
<li><a href="qaqqqryi.htm#qaqqqryi">SQL information</a>
|
|
</li>
|
|
<li><a href="qaqqtext.htm#qaqqtext">using existing index</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="rzajq1parallel.htm#rzajq1parallel">symmetrical multiprocessing</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_54" href="#IDX0_54">T</a></strong>
|
|
<ul class="indexlist">
|
|
<li>table
|
|
<ul class="indexlist">
|
|
<li>multiple
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtipsdata.htm#rzajqtipsdata">improving performance when selecting data from</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>table locked
|
|
<ul class="indexlist">
|
|
<li><a href="t3005.htm#t3005">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>table probe
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtblprobe.htm#rzajqtblprobe">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>table scan
|
|
<ul class="indexlist">
|
|
<li><a href="dsscan.htm#dsscan">access method</a>
|
|
</li>
|
|
<li>summary row <a href="t3000.htm#t3000">(1)</a>, <a href="t3026.htm#t3000">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>table scans
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqmon2.htm#rzajqmon2">output for all queries</a>
|
|
</li>
|
|
<li><a href="rzajqmon1.htm#rzajqmon1">output for SQL queries</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary bitmap
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtempbit.htm#rzajqtempbit">access method</a>
|
|
</li>
|
|
<li><a href="rzajqbitprobe.htm#rzajqbitprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqbitscan.htm#rzajqbitscan">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary buffer
|
|
<ul class="indexlist">
|
|
<li>scan access method <a href="rzajqtempbuff.htm#rzajqtempbuff">(1)</a>, <a href="rzajqbuffscan.htm#rzajqbuffscan">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary index
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtempindex.htm#rzajqtempindex">access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempinprobe.htm#rzajqtempinprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqtempinscan.htm#rzajqtempinscan">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary list
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtemplist.htm#rzajqtemplist">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary list scan
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqlistscan.htm#rzajqlistscan">access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary row number list
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtemprnl.htm#rzajqtemprnl">access method</a>
|
|
</li>
|
|
<li><a href="rzajqrnumlistprobe.htm#rzajqrnumlistprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqrnumlistscan.htm#rzajqrnumlistscan">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary sorted list
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqtempslist.htm#rzajqtempslist">access method</a>
|
|
</li>
|
|
<li><a href="rzajqslistprobe.htm#rzajqslistprobe">probe access method</a>
|
|
</li>
|
|
<li><a href="rzajqslistscan.htm#rzajqslistscan">scan access method</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>temporary table
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3004.htm#qaqq3004">qaqq3004</a>
|
|
</li>
|
|
<li><a href="t3004.htm#t3004">summary row</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>tools
|
|
<ul class="indexlist">
|
|
<li><a href="queryopt.htm#queryopt">performance</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="reduceopens.htm#reduceopens">Trace Job (TRCJOB) command</a>
|
|
</li>
|
|
<li><a href="rzajqpredtrans.htm#rzajqpredtrans">transitive closure</a>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_55" href="#IDX0_55">U</a></strong>
|
|
<ul class="indexlist">
|
|
<li>using
|
|
<ul class="indexlist">
|
|
<li>a copy of the data <a href="livedata.htm#livedata">(1)</a>, <a href="ipuc.htm#ipuc">(2)</a>
|
|
</li>
|
|
<li>allow copy data (ALWCPYDTA) <a href="livedata.htm#livedata">(1)</a>, <a href="ipuc.htm#ipuc">(2)</a>
|
|
</li>
|
|
<li>close SQL cursor (CLOSQLCSR) <a href="livedata.htm#livedata">(1)</a>, <a href="retrs.htm#retrs">(2)</a>
|
|
</li>
|
|
<li><a href="fetchnrows.htm#fetchnrows">FETCH statement</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>using existing index
|
|
<ul class="indexlist">
|
|
<li><a href="qaqq3001.htm#qaqq3001">qaqq3001</a>
|
|
</li>
|
|
<li>summary row <a href="t3001.htm#t3001">(1)</a>, <a href="qaqqtext.htm#qaqqtext">(2)</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="qrygovexamp.htm#qrygovexamp">using JOB parameter</a>
|
|
</li>
|
|
<li>using SQL
|
|
<ul class="indexlist">
|
|
<li><a href="per0001.htm#per0001">application programs</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<strong><a name="IDX1_56" href="#IDX0_56">V</a></strong>
|
|
<ul class="indexlist">
|
|
<li>variable-length data
|
|
<ul class="indexlist">
|
|
<li><a href="vardatatypes.htm#vardatatypes">tips</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="visexpl.htm#visexpl">Visual Explain</a>
|
|
<ul class="indexlist">
|
|
<li><a href="rzajqovrve.htm#rzajqovrve">index advisor</a>
|
|
</li>
|
|
<li><a href="rzajqstartve.htm#rzajqstartve">starting</a>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</body></html>
|