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Re: bitmap conversion on a index that is not bitmapped ???

From: K Gopalakrishnan <kaygopal_at_yahoo.com>
Date: Wed, 15 Oct 2003 11:39:25 -0800
Message-ID: <F001.005D3415.20031015113925@fatcity.com>


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

> 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: kaygopal_at_yahoo.com
>
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-- 
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-- 
Author: K Gopalakrishnan
  INET: kaygopal_at_yahoo.com

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Received on Wed Oct 15 2003 - 14:39:25 CDT

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