On Friday 31 January 2003 07:09, Michael Fontana wrote: > > Still, some of the queries in Siebel SEEM to run better using CBO. Is > there any way to mix and match approaches? To use RBO by default, but > perhaps CBO might make sense for certain queries, and perhaps some > AD-HOC?
The problem with using CBO for 'some' queries is that analyzing a table turns on CBO for every query the table is used in, not just the ones you wish. Tony's approach sounds interesting enough to make me start playing with plan stabilility. Like I don't have enough to do. :) Jared -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Jared Still INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
