Go to tahiti.oracle.com and search for the optimizer_dynamic_sampling parameter, you'll see descriptions for it's different values there.
Tanel. ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: Tuesday, December 30, 2003 8:59 PM > Thanks Jonathan,Tanel > > Some more clarification ... is dynamic sampling automatically used or one must specify the hint? > > Raj > -------------------------------------------------------------------------- ------ > Rajendra dot Jamadagni at nospamespn dot com > All Views expressed in this email are strictly personal. > QOTD: Any clod can have facts, having an opinion is an art ! > > > -----Original Message----- > Sent: Tuesday, December 30, 2003 12:30 PM > To: Multiple recipients of list ORACLE-L > > > > There is a hint, and there is a parameter. > optimizer_dynamic_sampling = 2 > is probably a good way of making sure > that all queries involving GTTs get a > dynamic sample of 32 blocks on the GTT > > > Regards > Jonathan Lewis > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Jamadagni, Rajendra > 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: Tanel Poder 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).
