Gene, what's the next step in the explain plan?  Can you post it?  
Are the dimension tables small?  

Lisa Koivu
Oracle Database Tank.
Fairfield Resorts, Inc.
954-935-4117


> -----Original Message-----
> From: Gene Gurevich [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, March 26, 2002 4:26 PM
> To:   Multiple recipients of list ORACLE-L
> Subject:      odd explain plan
> 
> Hi.
> 
> I am tuning a query that runs against a star schema
> and a few dimension tables. The plan shows that the
> first step is two join two dimension tables via a
> cartesian join. Why would Oracle does that instead of
> joining the dimensions to the fact table one after
> another? Can anyone offer an explanation?
> 
> thank you
> 
> =====
> 
> 
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> Author: Gene Gurevich
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