GATE CSE · Free quiz
GATE CSE — free 5-question quiz
No signup needed. Answer 5 real GATE CSE questions, get instant scoring and solutions, then unlock full mocks and your weak-topic map for free.
Question 1 of 5
MEDIUMConsider a relational schema R(A, B, C, D, E) with functional dependencies F = {A → B, BC → E, D → A}. Which of the following is a candidate key for R?