12th Class Computers Science Sample Paper SQL - Sample Paper-3

  • question_answer
    ......................is primary key of some other table and a non-key attribute whose values are derived from the existing table.

    A) Primary Key      

    B) Candidate Key

    C) Foreign Key 

    D) None of the above

    Correct Answer: C

    Solution :

    [c] Foreign key is primary key of some other table and a non-key attribute whose values are derived from the existing table.    


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