Banking Computers Science Sample Paper Computer - Sample Paper - 3

  • question_answer
    In a relational database, tables are logically linked to each other by a :

    A) Key.

    B) Hyperlink.

    C) Field type.                     

    D) Field size

    E) None of these

    Correct Answer: A

    Solution :

       Table can contain primary keys as well as foreign keys. Primary   keys   serve   to Differentiate records from one Another, they can be individual attribute or a combination of attributes. Foreign keys relate or link tables in the database to one another and generally define the parent-child   relationship between tables. A foreign key in One table may be primary key in another.


You need to login to perform this action.
You will be redirected in 3 sec spinner