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Discussion :: Database System 2 - CS

  1. Before any changes to database structure are attempted one should first:

    2. A.

     clearly understand the current structure and contents of the database only.
    B.

     test any changes on a test database only.
    C.

     create a complete backup of the operational database only.
    D.

     All of the above should be done.

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    Workspace

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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