Complex updating query, Help!!!!!

sql Malaysia
  • 11 years ago

    There are two tables:

     Table A                                                                   Table B

    ---------------------------------------                                        ----------------------------------------

    AID      C1       C2      Status                                     BID           col1       col2         status

    ---------------------------------------                                        ---------------------------------------------------------

    1         22         21        AA                                        1                22         21           A

    2         23         25        BB                                        2                23         21           C

    3          23         21        AA                                       3                11         44           B


    So here is the case,

     I want to update tableB Colom Status with condition like this:

    search colom status in table A that equal to AA, compare col C1

    and C2 in table A with colom col1 and col2 in table B. If match for example

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