Is there any optimizations I can do with this statement to get the count of used rows?

Posted by RPS on Stack Overflow See other posts from Stack Overflow or by RPS
Published on 2010-06-09T13:22:19Z Indexed on 2010/06/09 14:02 UTC
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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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