RE: Oracle CBO question

From: Allen, Brandon <Brandon.Allen_at_OneNeck.com>
Date: Thu, 5 Jul 2007 09:47:02 -0700
Message-ID: <04DDF147ED3A0D42B48A48A18D574C45071FDFE3@NT15.oneneck.corp>

Yes, the tables are initially joined in order from lowest estimated cardinality to highest, but there are probably at least a few exceptions to this rule, such as queries with LEADING and ORDERED hints.

Regards,
Brandon

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Job Miller

There is intelligence to the order of evaluation I assume, so the options not considered I suspect are less likely to be better. not sure about that though

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Received on Thu Jul 05 2007 - 11:47:02 CDT