A Relation Is in Domain/key Normal Form If ________

A relation is in domain/key normal form if ________.

A) every key of the relation is a logical consequence of the definition of constraints and determinants
B) every key of the relation is a logical consequence of the definition of constraints and domains
C) every constraint on the relation is a logical consequence of the definition of keys and determinants
D) every constraint on the relation is a logical consequence of the definition of keys and domains
E) every domain of the relation is a logical consequence of the definition of keys and constraints