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How can I know the database is using Cost Based or Rule Based?

28348Feb 28 2004 — edited Mar 3 2004

Hi all expertise,

How can I know the database is using Cost Based or Rule Based?

If cost based it is using, what methods are need to use to minimize the cost when database is running? And which tables I can see the performance of the database?

Thanks
Amy

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Locked on Mar 31 2004

Added on Feb 28 2004

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