distinct/grouping problem

  • Please check out the article in my signature and provide us some DDL and sample data. That makes our help that much easier to provide to you for free. 😀

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    If you follow the direction given HERE[/url] you'll likely increase the number and quality of responses you get to your question.

    Jason L. Selburg
  • Try this:

    ; WIHT CTE AS

    (

    SELECT RN = ROW_NUMBER() OVER ( PARTITION BY ReferenceNo , CODE ORDER BY Date DESC )

    , *

    FROM CTE

    )

    SELECT * FROM CTE WHERE RN = 1

  • You didn't mention how big your table was (number of rows.)

    To see some performance comparisons of different techniques dealing with a similar problem.

    http://www.sqlservercentral.com/articles/T-SQL/69481/

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    Against stupidity the gods themselves contend in vain. -- Friedrich Schiller
    Stop, children, what's that sound? Everybody look what's going down. -- Stephen Stills

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