I have high hopes that Jonathan Lewis' upcoming book will shed loght on
this.
Barr, Stephen wrote:
> Is the formula available anywhere?
>
>>If the formula is blevel + FF*leaf_blocks + FF*clustering_factor then the
>>cost comes out as 11 - how does it then jump to 9131? I'm assuming the cost
>>calculationfor bitmap indexes is very different?
>
> I'm assuming you are right. :-)
>
--
Regards
Wolfgang Breitling
Centrex Consulting Corporation
www.centrexcc.com
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http://www.freelists.org/webpage/oracle-l
Received on Tue May 24 2005 - 10:04:27 CDT
