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Script de SELECT ?

  •  02-14-2007, 9:47 AM

    Script de SELECT ?

    salut,

    am o tabela de genul (este afisata doar pt un anume SerialNumber)


    Product  Phase    SerialNumber   ComponentSerialNumber

    A            x            M04                     NULL
    A            y            M04                     NULL
    CR          x            M04                     0719
    CR          z            M04                     0719
    CR          y            M04                     0777
    CR         W            M04                     0719

    intrebarea mea este cum pot afla pt ce SerialNumber,ce Product si in ce faza este modificat ComponentSerialNumber
    in comparatie cu ComponentSerialNumber unde Phase este 'W'

    ideea e ca acest Product din SerialNumberul respectiv.....ideal ar fi ca el sa aiba acelasi ComponentSerialNumber
    in fiecare Phase de la inceput pana in Phase finala si anume 'W'. ComponentSerialNumber din Phase 'W' este cel corect...
    deci ma intereseaza in ce Phase si la ce Product,SerialNumber....acest ComponetSerialNumber difera de ComponetSerialNumber din Phase 'W'

    multumesc

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