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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:g_u_r_e_v_i_c_h_at_yahoo.com]
> 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
> INET: g_u_r_e_v_i_c_h_at_yahoo.com
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-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Koivu, Lisa INET: lisa.koivu_at_efairfield.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Tue Mar 26 2002 - 15:48:44 CST