Given a relation schema R with n attributes R(A1, A2, ..., An). What’s the maximum number of possible super-keys for R? Please justify your answer.
Given a relation schema R with n attributes R(A1, A2, ..., An). What’s the maximum number of possible candidate keys for R? Please justify your answer.
I am still wondering on how to answer both of these questions. What I have thought as answer for the first question would be (2^n) - 1 because empty set is not included.
As for the second question. My answer would be n atrributes.
What do you guys think?