Normalization
13:00
Question 1 of 13
Consider a relation R(A, B, C, D, E) with the functional dependencies: {AB → C, C → D, D → E, E → A}. Which of the following is a candidate key for R? [GATE CS 2004]
AB
BC
CD
DE
Question 1 of 13
Consider a relation R(A, B, C, D, E) with the functional dependencies: {AB → C, C → D, D → E, E → A}. Which of the following is a candidate key for R? [GATE CS 2004]