Explanation:If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from this source. 4. In which of the following , a separate schema is created consisting of that attribute and the primary key of the entity set.
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 and b
Answer:A
Explanation:If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from this source. 4. In which of the following , a separate schema is created consisting of that attribute and the primary key of the entity set.
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 and b
Explanation:If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from this source. 4. Suppose the user finds the usage of room number and phone number in a relational schema there is confusion.This is reduced by