Suppose relation R(A,B,C,D,E) has the following functional dependencies:A -> BB -> CBC -> AA -> DE -> AD -> EWhich of the following is not a key?B, CAED

Consider relation R(A,B,C,D,E) with functional dependencies:AB -> C, C -> D, BD -> EWhich of the following sets of attributes does not functionally determine E

The relation R(A,B,C,D,E,F) with functional dependency set F = {AB -> CD, C -> CA, B -> E, D -> B, E -> F}The number of candidate keys of a relation R is ______.

Consider a relation schema R = {A, B} and a set of functional dependencies Σ = {A → B}, AB must be a key of R.Question 5Select one:TrueFalse

Here above is an instance of a relation R(A,B,C)Which of the following multivalued dependencies does this instance of R not satisfy

The following functional dependencies are given:AB -> CD, AF —> D, DE --> F, C —> G, F —› E, G --> AWhich one of the following options is false?{CF}+ = {ACDEFG}{BG}+ = {ABCDG}