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04 Jan 2009
LOW CONFIDENCE HIGH CONFIDENCE OF QUERIES

Can someone explain me about what exactly LOW CONFIDENCE HIGH CONFIDENCE meansWhen I see Explain plan of queries I see this words in explain plan...Thanks in advance...Regards,Ravi.

Fred 1096 posts Joined 08/04
04 Jan 2009

See SQL Reference: Statement and Transaction Processing for a chapter on "Interpreting the output of EXPLAIN", including a section on "EXPLAIN confidence levels".

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