General Questions

Question 16 :

In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?


A). One-to-One Relationship
B). One-to-Many Relationship
C). Many-to-Many Relationship
D). Composite Relationship
Answer : Option A

Question 17 :

Entities can be associated with one another in which of the following?


A). Entities
B). Attributes
C). Identifiers
D). Relationships
Answer : Option D

Question 18 :

Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?


A). Supertype entity
B). Subtype entity
C). Archetype entity
D). Instance entity
Answer : Option B

Question 19 :

Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?


A). Supertype entity
B). Subtype entity
C). Archetype entity
D). Instance entity
Answer : Option C

Question 20 :

In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.


A). parent
B). child
C). instance
D). subtype
Answer : Option B