UGC NET PAPER 2 June 2019 Question 35 (Shift-I)

35. Which of the following key constraints is required for functioning of foreign key in the context of relational database?

A Unique key

B Primary key

C candidate key

D Check key

ANS. B

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UGC NET CS 2018 July - II Question 34	UGC NET CS 2018 July - II Question 36