If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
A. A many-to-many relationship set
B. A multivalued attribute of an entity set
C. A one-to-many relationship set
D. Both A many-to-many relationship set and A multivalued attribute of an entity set
Answer:D
If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
A. A many-to-many relationship set B. A multivalued attribute of an entity set C. A one-to-many relationship set D. Both A many-to-many relationship set and A multivalued attribute of an entity set