I would assume any index that was created but never used by the optimizer.
He probably wants to know if not ever used drop them.
I have no idea if it is possible to determine if an index was "used".



                                                                                       
                            
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What are "unused indexes"?

> -----Original Message-----
> From: Bob Robert [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 29, 2002 3:33 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Identify unused indexes in 8i ?
>
>
> All,
>
> Is there a way to identify unused indexes in Oracle
> 8i. I know that it is easy to check with 9i. I would
> appreciate if you could share your experience (or
> ideas) with me.
>
> Thanks,
> Bob
>
>
>
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