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I am working on one query with was gifted to me to work on has 3 group by and one function. THis query takse more than 15 minutes and end user can't wait that long
I already have done several thing includes:
(1) Performance Tunning,
(2) Rewrite Index(Clustered and nonclustered)
OriginalGriff 27-Jul-12 12:24pm    
We can't answer that base on the information you supply.
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1 solution

Use Sqlprofiler , Database tuning Advisor and use Unique index

is better way to increase performance.
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