11. Generalization is the process of defining more general entity types from a set of more specialized entity types.
A. True
B. False
12. It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type.
A. True
B. False
13. If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given supertype.
A. True
B. False
14. Action assertions have traditionally been implemented within an application program.
A. True
B. False
15. An entity cluster is a set of one or more entity types and associated relationships.
A. True
B. False