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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Creating SQL Plan Baselines</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-06-04T10:50:31Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Creating SQL Plan Baselines" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E12254-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="spa_analyze007.htm" title="Previous" type="text/html" /> <link rel="next" href="spa_analyze009.htm" title="Next" type="text/html" /> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="spa_analyze007.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="spa_analyze009.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CACJCAIF" name="CACJCAIF"></a><a id="RATUG194" name="RATUG194"></a></p> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h1>Creating SQL Plan Baselines</h1> <a name="BEGIN" id="BEGIN"></a> <p>Creating SQL plan baselines enables the optimizer to avoid performance regressions by using better execution plans.</p> <a id="RATUG284" name="RATUG284"></a> <p class="subhead2">To create SQL plan baselines:</p> <ol> <li> <p>On the SQL Performance Analyzer Task Result page, under Recommendations, click <span class="bold">Create SQL Plan Baselines</span>.</p> <p>The Create SQL Plan Baselines page appears. The Regressed SQL Statements section lists the regressed SQL statements that will be associated with the new SQL plan baselines.</p> </li> <li> <p>Under Job Parameters, specify the parameters for the job:</p> <ol> <li> <p>In the Job Name field, enter a name for the job.</p> </li> <li> <p>In the Description field, optionally enter a description for the job.</p> </li> </ol> </li> <li> <p>Under Schedule, select:</p> <ul> <li> <p><span class="bold">Immediately</span> to start the job now.</p> </li> <li> <p><span class="bold">Later</span> to schedule the job to start at a time specified using the Time Zone, Date, and Time fields.</p> </li> </ul> </li> <li> <p>Click <span class="bold">OK</span>.</p> <p>The SQL Performance Analyzer Task Result page appears. A message is displayed to inform you that the job has been submitted successfully.</p> </li> </ol> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="topicid:TDPPT335">Managing SQL Execution Plans</a> for information about creating and managing SQL plan baselines</p> <p><a href="spa_analyze007.htm#CACHBCGE">Tuning Regressed SQL Statements Using Oracle Enterprise Manager</a></p> </div> </div> <!-- class="sect3" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2008, 2009, Oracle and/or its affiliates. All rights reserved.</span><br /> <a href="./dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td> <td align="center"><a href="spa_analyze007.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="spa_analyze009.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> </div> <!-- class="footer" --> </body> </html>
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