Consider the following statements about relation R:
S1: If a relation R is in 3NF but not in BCNF, then relation R must consist proper subset of candidate key determines proper subset of some other candidate key.
S2: If a relation R is in 3NF but not BCNF, then relation R must consist atleast two over-lapped candidate keys.
Which of the following statements is/are correct?
(a) Both S1 and S2
(b) Only S1
© Only S2
(d) None of the above