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  1. #1
    Join Date
    Aug 2014

    Unanswered: compare 2 tables

    I have 2 databases( "A" + "B") with identical number of tables and identical number of records for each table. There are also identical number of fields pre record per table. Table A has had the sensitive data within the fields scrambled.

    I am not an SQL guy. I need to know if there is a way to read down each DB table by table, record by record, field by field and compare the data values. If they are different I need to output the Field name, the data value and the Table name from the Scrambled Table (lets say its "A").

    I'm lost where to start - can anyone help me with this please? Is it even possible?



  2. #2
    Join Date
    Nov 2004
    on the wrong server
    Provided Answers: 6
    Ok. Do you know if the scramble is a one way hash or is there public key encryption being used? Perhaps some kind of scramble using a homespun algorithm. Whether or not you can "decrypt" depends on how the data was crypted and what information you have about that process.
    “If one brings so much courage to this world the world has to kill them or break them, so of course it kills them. The world breaks every one and afterward many are strong at the broken places. But those that will not break it kills. It kills the very good and the very gentle and the very brave impartially. If you are none of these you can be sure it will kill you too but there will be no special hurry.” Earnest Hemingway, A Farewell To Arms.

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