62 lines
3.6 KiB
HTML
62 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.Title" content="SQL4005 - Query optimizer timed out for table &1" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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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>SQL4005 - Query optimizer timed out for table &1</title>
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</head>
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<body id="sql4005"><a name="sql4005"><!-- --></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">SQL4005 - Query optimizer timed out for table &1</h1>
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<div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" align="center" valign="middle" id="d0e16">SQL4005</th>
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</tr>
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</thead>
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<tbody><tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Message Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">Query optimizer timed out for table &1</td>
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</tr>
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<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Cause Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">The query optimizer timed out before it could consider all indexes
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built over the table. This is not an error condition. The query optimizer
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may time out in order to minimize optimization time. The query can be run
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in debug mode (<span class="cmdname">STRDBG</span>) to see the list of
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indexes which were considered during optimization. The table number refers
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to the relative position of this table in the query.</td>
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</tr>
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<tr valign="middle"><td valign="middle" width="26.02040816326531%" headers="d0e16 ">Recovery Text:</td>
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<td valign="middle" width="73.9795918367347%" headers="d0e16 ">To ensure an index is considered for optimization, specify the logical
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file of the index as the table to be queried. The optimizer will first consider
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the index of the logical file specified on the SQL select statement. Note
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that SQL created indexes cannot be queried. An SQL index can be deleted and
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recreated to increase the chances it will be considered during query optimization.
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Consider deleting any indexes no longer needed.</td>
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</tr>
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</tbody>
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</table>
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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="prtsqlinfmsg.htm" title="The following are the messages returned from PRTSQLINF.">PRTSQLINF message reference</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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