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Why would an index not be used if specified as a hint in a query?

From: Craig & Co. <crb_at_amsa.gov.au>
Date: Sat, 12 Feb 2005 13:13:18 +1100
Message-ID: <420d6643$0$86882$c30e37c6@ken-reader.news.telstra.net> 





Hi,



Running Oracle 8.1.7.4 on Solaris 2.8.



Running explain plan, and then a query (I don't have a copy to show at this
point), apparently


the index is not used.



I assume it is because the optimiser thinks the index is not required even
though it is specified.



Cheers


Craig.
Received on Fri Feb 11 2005 - 20:13:18 CST












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