ER Model and Business Rules When an entity instance must be a member of only one subtype, it is which of the following? Overlap with partial specialization Disjoint with partial specialization Disjoint with total specialization Overlap with total specialization Overlap with partial specialization Disjoint with partial specialization Disjoint with total specialization Overlap with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Use of a supertype/subtype relationship is necessary when which of the following exists? 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. 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. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion is a statement that expresses some aspect of the static structure of the organization. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Circle Rectangle Diamond Oval Circle Rectangle Diamond Oval ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion must include which of the following? Action Corresponding object All of these Anchor object Action Corresponding object All of these Anchor object ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Action assertions have traditionally been implemented within an application program. True False True False ANSWER DOWNLOAD EXAMIANS APP
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