UGC-NET | NTA UGC NET 2019 June – II | Question 7
Which of the following key constraints is required for the functioning of the foreign keys in the context of a relational database?
Answer: (B) Explanation:
A foreign key is a key whose values depend on the primary key of a relation. So for the functioning of a foreign key in the context of a relational database we need a primary key.
Quiz of this Question
Please comment below if you find anything wrong in the above post
Share your thoughts in the comments
Please Login to comment...