ER Model and Business Rules Action assertions have traditionally been implemented within an application program. True False True False 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
ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Use of a supertype/subtype relationship is necessary when which of the following exists? An instance of a subtype participates in a relationship that is the same as the other subtypes. An instance of a subtype participates in a relationship that is unique to that subtype. Attributes apply to all of the instances of an entity type. No attributes apply to any of the instances of an entity type. An instance of a subtype participates in a relationship that is the same as the other subtypes. An instance of a subtype participates in a relationship that is unique to that subtype. Attributes apply to all of the instances of an entity type. No attributes apply to any of the instances of an entity type. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity instance of a subtype represents the same entity instance of a supertype. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An oval represents which of the following in an EER? Relationship Attribute Optional One Entity Relationship Attribute Optional One Entity ANSWER DOWNLOAD EXAMIANS APP
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