In general, if you set init.ora to RULE and gather statistics, unless you have hints in your SQL, the statistics will be ignored.
This may or may not be different than setting to CHOOSE and having no statistics - it depends on your SQL. -Joe --- Shaw John-P55297 <[EMAIL PROTECTED]> wrote: > 8.1.6 on NT > The product that I support is still Rule based. I am planning to > bring it > over to Cost based in the near future. What I wanted to do was to > set the > init parameter to 'RULE' and then run statistics on the database. > My boss > says we can't do this because "the execution plan was different for > the "set > to rule and have statistics" vs. "set to choose and no statistics". > > I haven't heard this before - can anybody point me to the Fine > Manual to > confirm or refute this. Perhaps this is another of those fine urban > legends? > For the time being I am starting out with a small test database. > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Shaw John-P55297 > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > 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). __________________________________________________ Do You Yahoo!? Yahoo! Games - play chess, backgammon, pool and more http://games.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Joe Raube INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
