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help optimizing query

Discuss help optimizing query in the SQL Development forum on ASP Free.
help optimizing query SQL forums discussing structured query language related questions that are platform independent. Discussions include advanced topics such as joins, stored procedures, and triggers.

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  #1  
Old February 2nd, 2004, 09:14 AM
aliaga61 aliaga61 is offline
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help optimizing query
I have a query that is taking about 12 minutes to run. I'm sure there has to be a way to speed it up...i'm just not sure how. any suggestions on how to rewrite this would be much appreciated. i think it has something to do with the "not in" join.

Select
Distinct T.TSNUMB
from
TSR T
where
T.TSSTAT='C'
and T.TSCDAT >= '01-Oct-03'
and T.TSCDAT <= sysdate
and T.TSORGA in (Select distinct O.ORORGA
from OrgCode O
where
O.ORTCON like '123456%'
and T.TSNUMB not in (select distinct w.wcnumb
from
wobaskdtl w
where w.wcbask like '%-V'))
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Old February 2nd, 2004, 06:11 PM
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Old February 2nd, 2004, 06:13 PM
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Old February 2nd, 2004, 06:14 PM
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