The answer is simlpe - ask him where he read this. ;-)


On 6/7/07, Joel.Patterson@(protected):
> I have received a question from a consultant developer - below.  Can
> anyone answer?
>
>
>
> I was once told that the CBO can only handle a certain number of tables
> in a query (16 iirc). Do you know what the CBO does when there are
> more? Try to optimize based on knowledge of the first 16 tables in the
> Where clause?
>
>
>
>
>
>


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Best regards,
Alex Gorbachev

http://www.oracloid.com
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http://www.freelists.org/webpage/oracle-l