Mike,
Is the DEGREEE on the table > 1? You can see this in DBA_TABLES. If the degree of parallelism is > 1 then CBO will be used regardless of OPTIMIZER_MODE or OPTIMIZER_GOAL. Using a RULE hint will override the optimizer settings. I'm guessing that degree is > 1 and you have old statistics. Jared On Monday 19 August 2002 17:58, Vergara, Michael (TEM) wrote: > Ok...this is strange. The optimizer_mode is set to RULE, but if > I put a RULE hint into the SQL it runs OK. I tried increasing > the sort_area_size, but no joy. The segment with the largest > number of extents is the silly TEMP segment with 985. After that > is IDL_UB1$ with 739, and it tapers off quickly after that. > On the other hand, this query runs fine on our SAP system, and > it has thousands of tables and lots of extents. > > Well, the RULE hint in a RULE system seems to have worked. > Weird. I never woulda tried that. > > Thanks, > Mike > > -----Original Message----- > [mailto:[EMAIL PROTECTED]] > Sent: Monday, August 19, 2002 4:28 PM > To: Multiple recipients of list ORACLE-L > > > or is that 1 db set to first_rows? > If so try the query with a rule hint? > > Bruce Reardon -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jared Still 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).
