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Former Member
Sep 13, 2005 at 05:22 AM

"Deactivate DB Optimizer Functions" does what? (RSRT)

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In transaction RSRT,what does "Deactivate DB Optimizer Functions" which is the option of "Execute+Debug" do?

In DBMS of Oracle9i,this option really deactivate CBO?

In some case,performance of query was extremely improved by this option...