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Query performance issue after database upgrade from 10.2.0.5.0 to 11.2.0.3.0 on AIX.

edited Oct 22, 2014 10:02AM in SQL Performance (MOSC) 2 commentsAnswered

Dear Friends,

Recently we have upgraded production database from 10.2.0.5.0 to 11.2.0.3.0 and applied PSU 11.2.0.3.10. After upgrade one of application query is not at all working. It was running fine in 10g. We tested same query on QA/UAT environment before production upgrade and it was working fine. But now it is not. We are working with oracle through SR 3-9608931921. But still not find final solution. As work around we have generated sql_profile using good OFE=10.2.0..5. and its working till date.

I am putting question here to get solution if any one faced such type of issue in 11G.

Regards

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