ER Model and Business Rules A rectangle represents which of the following in an EER? Optional One Relationship Entity Attribute Optional One Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity instance of a subtype represents the same entity instance of a supertype. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following statements concerning business rules is true? All of these It should not be convertible to computer code. It may include restrictions. It should be complex. All of these It should not be convertible to computer code. It may include restrictions. It should be complex. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Specialization is which of the following processes? Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. 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 Disjoint with total specialization Overlap with partial specialization Overlap with total specialization Disjoint with partial specialization Disjoint with total specialization Overlap with partial specialization Overlap with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Oval Diamond Rectangle Circle Oval Diamond Rectangle Circle ANSWER DOWNLOAD EXAMIANS APP
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