10th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-6

  • question_answer
    Primary key is used to uniquely identify record in a table. Below is table structure for students in a school. Suggest the primary key for the following students table: Student<Student_ Id, student_ Name, Date Of Birth, Student_ Address>

    A)  Student_ Id                  

    B)  Student_ Address

    C)  Student_ Name

    D)  Date of Birth

    E)  None of these

    Correct Answer: B


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