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    Question

    What is the principal role of the primary key in a

    database system?
    A Unlock the database Correct Answer Incorrect Answer
    B Provide a data map Correct Answer Incorrect Answer
    C Uniquely identify a record Correct Answer Incorrect Answer
    D Establish constraints on database operations Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

      The primary key's primary function is to uniquely identify a record within the database.

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