ER Model and Business Rules An oval represents which of the following in an EER? Relationship Optional One Attribute Entity Relationship Optional One Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Packaged data models are meant to be exactly right straight out of the box. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Inheritance is which of the following? When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of another supertype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of another supertype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules When an entity instance must be a member of only one subtype, it is which of the following? Disjoint with partial specialization Overlap with total specialization Overlap with partial specialization Disjoint with total specialization Disjoint with partial specialization Overlap with total specialization Overlap with partial specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Generalization is the process of defining more general entity types from a set of more specialized entity types. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity cluster is a set of one or more entity types and associated relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
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