Let R(A,B,C,D) be a relation schema with the following set of FD's:
F = {AB → C, C → D, D → A}.
(a). Find all the keys of R.
(b). Find all the super keys of R that are not keys.

Answer rating: 100% (QA)

a Finding all the keys of R To identify the keys we need to find combinations of attributes that can ... View the full answer