RE: Base Line for Performance purpose

  • From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
  • To: "Shivaswamy Raghunath" <shivaswamykr@xxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 5 Jan 2007 12:49:48 -0700

Yes AWR does keep the explain plans - check dba_hist_sql_plan (or just
look at it through the DB Console/Grid Control GUI), and yes it could've
helped for last month, assuming you set your AWR retention
appropriately.  IIRC, it defaults to only 1 week, but I bumped mine up
to 45 days specifically for the purpose of covering monthly queries.
 
HTH,
Brandon

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