Question

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?

(a) A many-to-many relationship set

(b) A multivalued attribute of an entity set

(c) A one-to-many relationship set

(d) None of the mentioned

Answer 1

Correct choice is (a) A many-to-many relationship set

For explanation: If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from this source.