Home Forums SQL Server 2008 T-SQL (SS2K8) Table Join using unique values or where Null = all values RE: Table Join using unique values or where Null = all values

  • March 20, 2013 at 10:31 am

    #1599008

    The spec isn't entirely clear; does this generate the results you're expecting to see?

    SELECT b.*, a.*, x.*

    FROM TableB b

    LEFT JOIN TableA a ON b.ColId = a.Area

    LEFT JOIN TableA x ON x.Area IS NULL AND a.Area IS NULL

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