Find all the candidate keys of the Relation R(ABCDE) with FD's:

D C, CE A, D A, and AE D

Determine all the candidate and superkeys of the relation R(ABCDEF) with FD's:

AEF C, BF C, EF D, and ACDE F

Find a minimal cover for the following set F of functional dependencies.

A->BC

AB->D

C->AD

D->B