How to get this result?


  • SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,NULL AS RETAIL
                                            UNION ALL
                                            SELECT
                                                '725518-021'
                                             ,12
                                             ,13
                                             ,'2017-10-01'
                                             ,NULL
                                             ,55

                                            -- Expecting Result

                                            SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,55 AS RETAIL

    Hi Friends,

    I am thinking to use use self join and ISNULL in the SELECT list to achieve this output? Is there any other efficient way? 
    Provide me your suggestions pls.

    Thanks,
    Charmer

  • Charmer - Friday, January 12, 2018 7:18 AM


    SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,NULL AS RETAIL
                                            UNION ALL
                                            SELECT
                                                '725518-021'
                                             ,12
                                             ,13
                                             ,'2017-10-01'
                                             ,NULL
                                             ,55

                                            -- Expecting Result

                                            SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,55 AS RETAIL

    Hi Friends,

    I am thinking to use use self join and ISNULL in the SELECT list to achieve this output? Is there any other efficient way? 
    Provide me your suggestions pls.

    Have you tried using MAX and GROUP BY?
    SELECT MNbr, Wholesale = Max(Wholesale) etc
    GROUP BY MNbr
    ?

    If you haven't even tried to resolve your issue, please don't expect the hard-working volunteers here to waste their time providing links to answers which you could easily have found yourself.

  • Phil Parkin - Friday, January 12, 2018 7:52 AM

    Charmer - Friday, January 12, 2018 7:18 AM


    SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,NULL AS RETAIL
                                            UNION ALL
                                            SELECT
                                                '725518-021'
                                             ,12
                                             ,13
                                             ,'2017-10-01'
                                             ,NULL
                                             ,55

                                            -- Expecting Result

                                            SELECT
                                                '725518-021' AS MNbr
                                             ,12 AS CO_ID
                                             ,13 AS CU_ID
                                             ,'2017-10-01' AS PRICEDATE
                                             ,23.91 AS WHOLESALE
                                             ,55 AS RETAIL

    Hi Friends,

    I am thinking to use use self join and ISNULL in the SELECT list to achieve this output? Is there any other efficient way? 
    Provide me your suggestions pls.

    Have you tried using MAX and GROUP BY?
    SELECT MNbr, Wholesale = Max(Wholesale) etc
    GROUP BY MNbr
    ?

    Yes, It worked. Much efficient.

    Thank you very much Phil.

    Thanks,
    Charmer

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