Missed one important point. You can disable that by setting
_b_tree_bitmap_plans to FALSE. Deleting the stats may not be a right
apporach as that may screwup some other plans.

Sorry for missing the important one..

KG

----- Original Message ----- 
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, October 15, 2003 10:39 PM


> 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
>
>
>
> =====
> Have a nice day !!
> ------------------------------------------------------------
> Best Regards,
> K Gopalakrishnan,
> Bangalore, INDIA.
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: K Gopalakrishnan
>   INET: [EMAIL PROTECTED]
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-- 
Author: K Gopalakrishnan
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