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RE: CBO - hash join vs nested loops

From: Christian Antognini <Christian.Antognini_at_trivadis.com>
Date: Fri, 2 Dec 2005 16:32:17 +0100
Message-ID: <F2C9CCA71510B442AF71446CAE8AEBAF2053DF@MSXVS04.trivadis.com> 





Dimitre



>Subject: CBO - hash join vs nested loops




Did you compare the estimated cardinalities with the real one? If not, it's the right place to start... In fact with 3 conditions it's quite easy to mislead the CBO.




HTH



Chris

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Received on Fri Dec 02 2005 - 09:34:26 CST












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