ISRO exam 2015 – Question 20 with Solution
In this video we are going to discuss another question which was asked in the exam of ISRO
Let R = (A, B, C, D, E, F) be a relation schema with the following dependencies C->F, E->A, EC->D, A->B. Which of the following is a key of R?
(A) CD
(B) EC
(C) AE
(D) AC
