Let R represents an one to many relationship between entities E1 and E2 and the set A, B attributes represent the key of R (A is key for E1 and B is key for E2) then which of the following statements is correct?
- The FD, A→B will only holds
- The FD, B→A will only holds
- (a) and (b) hold together
- Neither (a) nor (b) holds