6. Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.

A. True
B. False


Correct Answer:  A. True

7. An entity instance of a subtype represents the same entity instance of a supertype.

A. True
B. False


Correct Answer:  A. True

8. A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.

A. True
B. False


Correct Answer:  B. False

9. An ERD that has had the entities clustered will display more entities.

A. True
B. False


Correct Answer:  B. False

10. Total specialization is represented by double lines between the supertype and subtype on an EER.

A. True
B. False


Correct Answer:  A. True

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