The export views created by the catexp script are totally screwed if you have FIRST_ROWS as your optimizer setting. Either use CHOOSE or edit the views to include a RULE hint on all SELECT statements and you'll be fine.
And if you tell Oracle support I recommended you did this, I'll personally come around and snip your doolies off. Cheers Nuno Souto [EMAIL PROTECTED] > Ed Lewis <[EMAIL PROTECTED]> wrote: > > Hello, > We have the optimizer mode set to "first rows" > on our (25gb) database to meet a vendor requirement. > When I do an "direct" export, it runs for 6-7 hours. > > When I change the optimizer mode to "choose" it > runs in around an hour. > It also runs in an hour when I set the the optimizer > mode to "first rows", and run stats on the "sys" schema. > > I'm curious why this occurs. Has anyone experienced > this ? Any ideas why this happens ? Is this normal behavior ? > I could not find anything on metalink. thanks. > > Oracle 8.1.7.2, aix 4.3.3. > > ed -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Nuno Pinto do Souto 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).
