Home Forums SQL Server 2005 T-SQL (SS2K5) EXISTS Subqueries: SELECT 1 vs. SELECT * (Database Weekly 11.02.2008) RE: EXISTS Subqueries: SELECT 1 vs. SELECT * (Database Weekly 11.02.2008)

  • Check the link in the first post. It's a blog post by Conor Cunningham, former member of the SQL Server Query processing team and former development lead on the Query Optimizer. He explains why there's a (very, ver, very small) difference

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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