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NEED HELP - update all rows

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  • NEED HELP - update all rows

    Ok, so this is my first MAJOR sql error and one I hope to never occur again. I left off a WHERE clause and overwrote several field values in about 2000 rows - dam you alpha for doing what I told you to do...

    Anyways,
    I know the suedo code I just don't know the exact code and would really like some advice ASAP

    I need to update every row in tableA column1 to be equal to tableb column3 WHERE column5 in tableA = Column4 in tableb
    for every row in tableb


    Again, if someone could help me sort this out I would be so very grateful...
    NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

  • #2
    Re: NEED HELP - update all rows

    I think this will help you ...of course you'll need to change the table/column names. This script sets my Table A PatientID4 value to Table B ID where table A MRNum & clientID match table B ...make sense?


    Code:
    UPDATE A SET
           A.PatientID4 = B.ID
    FROM   PatientLocation as A
    JOIN   Patient as B
           on B.MRNum = A.MRNum4
    	   and B.ClientID = A.Clientid4
    Mike Brown - Contact Me
    Programmatic Technologies, LLC
    Programmatic-Technologies.com
    Independent Developer & Consultant

    Comment


    • #3
      Re: NEED HELP - update all rows

      I know the psuedo code I just don't know the exact code and would really like some advice ASAP

      I need to update every row in tableA column1 to be equal to tableb column3 WHERE column5 in tableA = Column4 in tableb
      for every row in tableb
      it should be something like this
      Code:
      UPDATE TABLE A, TABLE B
          SET TABLEA.coulmn1 = TABLEB.coulmn3
                WHERE TABLEA.column5 = TABLEB.column4
      at least in MySQL.
      thanks for reading

      gandhi

      version 11 3381 - 4096
      mysql backend
      http://www.alphawebprogramming.blogspot.com
      [email protected]
      Skype:[email protected]
      1 914 924 5171

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      • #4
        Re: NEED HELP - update all rows

        Thanks - that is exactly what I needed to see! I screwed up ROYALLY however due to the fact that my normalization sucks I can fix everything except ONE field and well that is a lesson LEARNED!!!!!
        NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

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