ER Model and Business Rules A supertype/subtype hierarchy is which of the following? Each supertype has only one attribute. Each subtype has only one attribute. Each subtype has only one supertype. Each supertype has only one subtype. Each supertype has only one attribute. Each subtype has only one attribute. Each subtype has only one supertype. Each supertype has only one subtype. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Diamond Oval Circle Rectangle Diamond Oval Circle Rectangle 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules There is cardinality on an EER between the supertype and subtype. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following is not one of the three ways to classify an action assertion? Condition Authorization Enabler Integrity Control Condition Authorization Enabler Integrity Control ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An ERD that has had the entities clustered will display more entities. True False True False ANSWER DOWNLOAD EXAMIANS APP
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