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11.2.0.3 : SQL using a bad execution plan

edited May 17, 2014 12:00PM in SQL Performance (MOSC) 4 commentsAnswered

Hi,

We don't have a license for Oracle tuning pack  , and hence we cannot use sql profiles .    With this being said, I need an advise on how to resolve the issue.      We have a  EBS applications program , which takes less than a minute in QA instance, but it takes forever in Production.   Here is the observation

QA GOOD
Plan Hash Value - 1379380173 
Avg Elapsed Time in secs - 0.045 
 
PROD HANG
Plan Hash Value - 461418578 
Avg Elapsed Time in secs - 1943.509 


If we had licenses for Oracle tuning pack , it would be easy to import the profile from QA.  


My question is , with this limitation , how do we  resolve this issue.   I want oracle to stop using this profile and find a better execution plan?  How can we achive this.

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