Question

Relation R(A,B,C,D,E) has {AB`->` C, C`->` D,B`->` EA} FUNCTIONAL DEPENDENCY

Find the candidate key of the relation.

A B Correct Answer Incorrect Answer
B AB Correct Answer Incorrect Answer
C C Correct Answer Incorrect Answer
D D Correct Answer Incorrect Answer
E None Correct Answer Incorrect Answer

Solution

B closure contain all (A,B,C,D,E) so it will be the candidate key of the relation.

Practice Next
×
×