Did you analyze the sys schema by mistake. This can stop the fastest database. We had a contractor do that to an 8.0.5 database once, and only once.
Ruth > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of > Burton, Laura > Sent: Monday, August 25, 2003 4:49 PM > To: Multiple recipients of list ORACLE-L > Subject: Performance Problem > > > We currently have an application we are trying to speed up. In > researching rule/cost based optimizers, I read that the cost based > optimizer was the way to go (although rule had its moments) because that > is where Oracle would be focusing any upgrades, enhancements, etc. > > So I analyzed all tables and indexes. It brought our application to a > stand still!! I then deleted the statistics and the application ran > like before...slow. I know that I must have missed something although > it seemed so straight forward. I verified that all tables were analyzed > because I read that this would cause an extra step if all the tables > were not analyzed. > > The database is Oracle 8.0.5. This weekend I will be upgrading to > 8.1.7. The operating system is NT 4.0. Does anyone know something that > could point me in the right direction? Thank you for your help. > > Laura > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Burton, Laura > 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). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Ruth Gramolini 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).
