UGC NET CS 2017 Jan- paper-3

Question 8

Which one is correct w.r.t. RDBMS ?

A	primary key ⊆ super key ⊆ candidate key
B	primary key ⊆ candidate key ⊆ super key
C	super key ⊆ candidate key ⊆ primary key
D	super key ⊆ primary key ⊆ candidate key

Question 8 Explanation:

Correct Answer: B

Question 8 Explanation: