EXISTS is efficient when most of the filter criteria is in the main query.
1.www.codecollege.NET 2.http://www.interviewsguru.com 3.The Encylopedia of Web Sites 4.Blogging and Earning
Daily Tips- Tip #64 - SQL Performance Tuning
Saturday, March 12, 2011
EXISTS is efficient when most of the filter criteria is in the main query.
1.www.codecollege.NET 2.http://www.interviewsguru.com 3.The Encylopedia of Web Sites 4.Blogging and Earning
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