ER Model and Business Rules An oval represents which of the following in an EER? Entity Relationship Attribute Optional One Entity Relationship Attribute Optional One ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following statements concerning business rules is true? All of these It should be complex. It should not be convertible to computer code. It may include restrictions. All of these It should be complex. It should not be convertible to computer code. It may include restrictions. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy has which of the following features? Attributes are assigned at the highest logical level. Attributes are assigned at the lowest logical level. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. Attributes are assigned at the highest logical level. Attributes are assigned at the lowest logical level. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. 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 A rectangle represents which of the following in an EER? Attribute Entity Optional One Relationship Attribute Entity Optional One Relationship ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An ERD that has had the entities clustered will display more entities. False True False True ANSWER DOWNLOAD EXAMIANS APP
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