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 Article: SQL Server Lock Contention Tamed: The Joys Of NOLOCK and ROWLOCK
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AskSQLTeam
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Posted - 10/11/2000 :  09:21:12  Show Profile  Visit AskSQLTeam's Homepage  Reply with Quote
This must-read article, by Michael Balloni, discusses how SQL server locks tables and rows when UPDATE statements or SELECT statements occur. In a heavily hammered database, these locks can lead to slow performance and database errors. Michael also discusses two query-level locking options - NOLOCK and ROWLOCK - that can be used to give SQL Server some hints on how to deal with locking... which can dramatically increase your database's performance! A must read for those who run data-driven Web sites!

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