Data Modeling With Er Model - Study Mode

[#26] Entities can be associated with one another in which of the following?
Correct Answer

(D) Relationships

[#27] Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
Correct Answer

(B) Subtype entity

[#28] Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?
Correct Answer

(C) Archetype entity

[#29] In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
Correct Answer

(B) child

[#30] An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
Correct Answer

(B) False