Freeman Robert - IL,
                Hi, can you show us the different execution path for the view and the 
sql?
                I think that is the key to solve the performance problem?Maybe hint 
like no_merge help?





Regards
zhu chao
msn:[EMAIL PROTECTED]
www.happyit.net
www.cnoug.org(China Oracle User Group)

======= 2003-02-12 07:18:00 ,you wrote£º=======

>I'm fighting a view.... Someone hand me a big dagger with which to kill it.
>I have a view that takes 6 minutes to run when I query it like this:
>
>select
>count(*) from TST_XVW a
>where claim_carrier_key=41721;
>
>Yet, if I take the SQL from the view, add the claim_carrier_key predicate to
>it, I get a run time of 6 seconds. I've tried several different hints
>(push_pred, use_nl, etc) and I'm just not seeming to be able to get the
>optimizer to give me a good plan. Any help on this would be appreciated.
>
>Robert
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>Please see the official ORACLE-L FAQ: http://www.orafaq.net
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>Author: Freeman Robert - IL
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