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?
Question 17 :
Entities can be associated with one another in which of the following?
Question 18 :
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
Question 19 :
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?
Question 20 :
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.