Data Modeling Test

The degree of a relationship refers to the number of entity classes in the relationship.

All instances of an entity class have the same attributes.

A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

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.

A ternary relationship is so called because in contains two entities and one association between them.

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

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

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

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

Entities of a given type are grouped into a(n):