Home Forums SQL Server 2005 Development Union All RE: Union All

  • December 16, 2008 at 4:03 pm

    #913497

    SELECT SUM(SomeColumn) FROM (

    SELECT SomeColumn FROM TableA

    UNION ALL

    SELECT SomeColumn FROM TableB

    UNION ALL

    SELECT SomeColumn FROM TableC) sub

    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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