51 lines
3.5 KiB
HTML
51 lines
3.5 KiB
HTML
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<meta name="abstract" content="See the following for query optimizer message reference:" />
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<title>Query optimizer messages reference</title>
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<body id="rzajqmsgref"><a name="rzajqmsgref"><!-- --></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">Query optimizer messages reference</h1>
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<div><p>See the following for query optimizer message reference:</p>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="pimes.htm">Query optimization performance information messages</a></strong><br />
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You can evaluate the structure and performance of the given SQL statements in a program using informational messages put in the job log by the database manager.</li>
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<li class="ulchildlink"><strong><a href="pimesodp.htm">Query optimization performance information messages and open data paths</a></strong><br />
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Several of the following SQL run-time messages refer to open data paths.</li>
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<li class="ulchildlink"><strong><a href="prtsqlinfmsg.htm">PRTSQLINF message reference</a></strong><br />
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The following are the messages returned from <span class="cmdname">PRTSQLINF</span>.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajqkickoff.htm" title="The goal of database performance tuning is to minimize the response time of your queries and to make the best use of your server's resources by minimizing network traffic, disk I/O, and CPU time. This goal can only be achieved by understanding the logical and physical structure of your data, understanding the applications used on your server, and understanding how the many conflicting uses of your database may impact database performance.">Performance and query optimization</a></div>
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