Irfan, as u said,yes the data in SEX,FLAG,PREF columns are skewed.
do i need to create histograms for the COLUMNS or INDEXES ? The COST of using IDX_PROFILE_SHINKI (composite index - not analyzed ) is 7 & The COST of using individual indexes (on SEX,FLAG,PREF - analyzed ) is 999 now. will using histograms reduce the COST inspite of using individual indexes ? Regards, Jp. >From: Irfan Khan <[EMAIL PROTECTED]> >To: "'Prem Khanna J'" <[EMAIL PROTECTED]> > >In this case i will give u only one statement, Ur data is very highly >skewed, Play with histograms. > >Irfan , Khan -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Prem Khanna J 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).
