Computer Science Ques 733

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

Options:

A) Key.

B) Hyperlink.

C) Field type.

D) Field size

E) None of these

Show Answer

Answer:

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.
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