UGCNET CSE December 2022: 14

Question

 

Identify the incorrect statement(s).

• A. A candidate key is minimal set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set.
• B. A candidate key for which no proper subset is also a candidate key is called a super key.
• C. A super key is a set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set.
• D. A super key for which no proper subset is also a super key is called a candidate key.

(Option $1[39353]) 1$
(Option $2[39354]) 2$
(Option $3[39355]) 3$
(Option $4 [39356]) 4$

Answer Given by Candidate : $3$

Answer 1

(B) should be the answer.