2015 DB past paper
Consider the relation R1 (A, B, C, D, E) with the given Functional Dependencies to answer
Questions from 26 to 27.
D→ EF, CD → A, A → B
26) What is/are the candidate key(s) of the relation R1?
(a). (C, E)
(b). (C, A)
(c). (C, D)
(d). D
(e). C
27) Which of the...