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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>Reviewing the SQL Performance Analyzer Report: Global Statistics Details</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="Reviewing the SQL Performance Analyzer Report: Global Statistics Details" /> <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_analyze005.htm" title="Previous" type="text/html" /> <link rel="next" href="spa_analyze007.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_analyze005.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="spa_analyze007.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CACJHJBB" name="CACJHJBB"></a><a id="RATUG192" name="RATUG192"></a></p> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h1>Reviewing the SQL Performance Analyzer Report: Global Statistics Details</h1> <a name="BEGIN" id="BEGIN"></a> <p>You can use the SQL Performance Analyzer Report to obtain detailed statistics for the SQL workload comparison. The <a id="sthref57" name="sthref57"></a>details chart enables you to drill down into the performance of SQL statements that appears in the report. Use the information in this section to investigate why the performance of a particular SQL statement regressed.</p> <div class="helpinfonote"> <p><span class="bold">Note: </span>The report displays only up to the top 100 SQL statements, even if the actual number of SQL statements exceeds 100.</p> </div> <a id="RATUG283" name="RATUG283"></a> <p class="subhead2">To review global statistics details:</p> <ol> <li> <p>In the Projected Workload Elapsed Time subsection, click the impact percentage of the SQL statements for which you want to view details. To view SQL statements whose performance:</p> <ul> <li> <p>Improved, click the percentage for Improvement Impact</p> </li> <li> <p>Regressed, click the percentage for Regression Impact</p> </li> <li> <p>Improved or regressed, click the percentage for Overall Impact</p> </li> </ul> <p>A table including the detailed statistics appears. Depending on the type of SQL statements chosen, the following columns are included:</p> <ul> <li> <p>SQL ID</p> <p>This column indicates the ID of the SQL statement.</p> </li> <li> <p>Net Impact on Workload (%)</p> <p>This column indicates the impact of the system change relative to the performance of the SQL workload.</p> </li> <li> <p>Elapsed Time</p> <p>This column indicates the total time (in seconds) of the SQL statement execution.</p> </li> <li> <p>Net Impact on SQL (%)</p> <p>This column indicates the local impact of the change on the performance of a particular SQL statement.</p> </li> <li> <p>New Plan</p> <p>This column indicates whether the SQL execution plan changed.</p> </li> </ul> </li> <li> <p>To view details about a particular SQL statement, click the SQL ID link for the SQL statement that you are interested in.</p> <p>The SQL Details page appears.</p> <p>You can use this page to access the SQL text and obtain low-level details about the SQL statement, such as CPU time, buffer gets, and optimizer cost.</p> </li> </ol> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="spa_analyze003.htm#CACHAFHE">Reviewing the SQL Performance Analyzer Report Using Oracle Enterprise Manager</a></p> </div> </div> <!-- class="sect3" --> <!-- class="sect2" --> <!-- 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. 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