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Re: Execution plan optimizer Question

From: Connor McDonald <hamcdc_at_yahoo.co.uk>
Date: Mon, 22 Apr 2002 07:03:19 -0800
Message-ID: <F001.0044AE19.20020422070319@fatcity.com>


If you set optimizer_mode to rule, it will be rule independent of stats unless sql's explicitly do something to invoke the cbo (eg with a hint etc).

Your greatest risk would be any SQL's that have a CHOOSE hint in them. But its worth the risk - rule based is a dead end street.

hth
connor


Connor McDonald
http://www.oracledba.co.uk (mirrored at http://www.oradba.freeserve.co.uk)

"Some days you're the pigeon, some days you're the statue"



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Received on Mon Apr 22 2002 - 10:03:19 CDT

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