What is the purpose of ROWLOCK on Delete and when should I use it?

Posted by RPS on Stack Overflow See other posts from Stack Overflow or by RPS
Published on 2010-06-09T13:01:57Z Indexed on 2010/06/09 13:12 UTC
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When should I use this statement:

DELETE TOP (@count) FROM ProductInfo WITH (ROWLOCK) WHERE ProductId = @productId_for_del;

And when should be just doing:

DELETE TOP (@count) FROM ProductInfo WHERE ProductId = @productId_for_del;

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