74 lines
4.9 KiB
HTML
74 lines
4.9 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="Statistics Manager APIs" />
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<meta name="abstract" content="The following APIs are used to implement the statistics function of iSeries Navigator." />
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<meta name="description" content="The following APIs are used to implement the statistics function of iSeries Navigator." />
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<meta name="DC.subject" content="APIs, statistics manager" />
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<meta name="keywords" content="APIs, statistics manager" />
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<meta name="DC.Relation" scheme="URI" content="statsmanager.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajqstatsrequest.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.Identifier" content="statsapis" />
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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>Statistics Manager APIs</title>
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</head>
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<body id="statsapis"><a name="statsapis"><!-- --></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">Statistics Manager APIs</h1>
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<div><p>The following APIs are used to implement the statistics function
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of <span class="keyword">iSeries™ Navigator</span>. </p>
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<div class="section"><div class="p"><ul><li><a href="../apis/qdbstcancelrequestedstatistics.htm"><span class="apiname">Cancel Requested Statistics Collections(QDBSTCRS, QdbstCancelRequestedStatistics)</span></a> immediately
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cancels statistics collections that have been requested, but are not yet completed
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or not successfully completed.</li>
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<li><a href="../apis/qdbstdeletestatistics.htm"><span class="apiname">Delete
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Statistics Collections (QDBSTDS, QdbstDeleteStatistics)</span></a>
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immediately deletes existing completed statistics collections.</li>
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<li><a href="../apis/qdbstlistrequestedstatistics.htm"><span class="apiname">List
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Requested Statistics Collections (QDBSTLRS, QdbstListRequestedStatistics)</span></a> lists
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all of the columns and combination of columns and file members that have background
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statistic collections requested, but not yet completed.</li>
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<li><a href="../apis/qdbstlistdetailstatistics.htm"><span class="apiname">List
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Statistics Collection Details(QDBSTLDS, QdbstListDetailStatistics)</span></a> lists
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additional statistics data for a single statistics collection.</li>
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<li><a href="../apis/qdbstliststatistics.htm"><span class="apiname">List
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Statistics Collections(QDBSTLS, QdbstListStatistics)</span></a> lists
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all of the columns and combination of columns for a given file member that
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have statistics available.</li>
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<li><a href="../apis/qdbstrequeststatistics.htm"><span class="apiname">Request
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Statistics Collections(QDBSTRS, QdbstRequestStatistics)</span></a> allows
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you to request one or more statistics collections for a given set of columns
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of a specific file member.</li>
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<li><a href="../apis/qdbstupdatestatistics.htm"><span class="apiname">Update
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Statistics Collection(QDBSTUS, QdbstUpdateStatistics)</span></a> allows
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you to update the attributes and to refresh the data of an existing single
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statistics collection</li>
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</ul>
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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="statsmanager.htm" title="As stated earlier, the collection of statistics is handled by a separate component called the Statistics Manager. Statistical information can be used by the query optimizer to determine the best access plan for a query. Since the query optimizer bases its choice of access plan on the statistical information found in the table, it is important that this information be current.">Collecting statistics with the Statistics Manager</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzajqstatsrequest.htm" title="You can view the current statistics requests by using iSeries Navigator or by using Statistics APIs.">Viewing statistics requests</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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