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 Which one of the following symbols is not used in an ERD? Oval Rectangle Circle Diamond Oval Rectangle Circle Diamond ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following statements concerning business rules is true? It should not be convertible to computer code. It should be complex. All of these It may include restrictions. It should not be convertible to computer code. It should be complex. All of these It may include restrictions. 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 When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following? Overlap with partial specialization Disjoint with total specialization Disjoint with partial specialization Overlap with total specialization Overlap with partial specialization Disjoint with total specialization Disjoint with partial specialization Overlap with total specialization 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? Overlap with total specialization Disjoint with partial specialization Overlap with partial specialization Disjoint with total specialization Overlap with total specialization Disjoint with partial specialization Overlap with partial specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP