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10th Class Computers Science Microsoft Access Question Bank Self Test-4

  • question_answer
    Match the following: A                                                             B 1. Cardinality                                      A. Can not contain null value. 2. Unique key                                    B. Ensures that data in the database is valid and correct. 3.  Data integrity                               C. Has eligibility to make primary key. 4. Candidate key                              D. The number of tuples in a relation.                                                                 E. Can contain null value.

    A)  1-d, 2-e, 3-b, 4-c

    B)  1-d, 2-e, 3-a, 4-b

    C)  1-b, 2-c, 3-d, 4-e

    D)  1-c, 2-e, 3-b, 4-b

    E)  None of these

    Correct Answer: A

    Solution :


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