Is there any optimizations I can do with this statement to get the count of used rows?
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Published on 2010-06-09T13:22:19Z
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Is there any optimizations I can do with this statement to get the count of used rows.
Note: The ProductOrderInfo table has over 40 million rows in it.
SELECT @TotalUsed = COUNT(*) FROM ProductInfo WITH (NOLOCK) WHERE ProductInfoId IN ( SELECT ProductInfoId FROM ProductOrderInfo WITH (NOLOCK) );
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