Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Mailing Lists -> Oracle-L -> Re: bitmap conversion on a index that is not bitmapped ???
John:
Optimizer is a smart boy!!! He knows the column has few distinct values and decides the BITMAP access would be appropriate and making BITMAP plans from the BTree indexes. If you delete the stats for that index, you will get the old behavior.
KG
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: ListGuru_at_fatcity.com (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). Received on Wed Oct 15 2003 - 12:09:25 CDT