OPTIMIZER MODE

  • From: Ram K <lambu999@xxxxxxxxx>
  • To: oracle-l <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 6 Jul 2010 06:17:34 -0500

Listers,

We have a new 11g based hybrid application that a third party vendor is
configuring. We observe some slowness in the response times. I do not see
any slow sql in v$sql. The vendor is recommending that we set the
OPTIMIZER_MODE to FIRST_ROWS to get better response times, among other
parameter changes. I have read in few sources that FIRST_ROWS is not
generally used, with oracle itself using ALL_ROWS. Can anyone advise?

-- 
Thanks,
Ram.

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