1. 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. True
B. False

Show Answer

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

A. True
B. False

Show Answer

3. All instances of an entity class have the same attributes.

A. True
B. False

Show Answer

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

A. True
B. False

Show Answer

5. An attribute describes the entity’s characteristics.

A. True
B. False

Show Answer