ER Model and Business Rules Which one of the following symbols is not used in an ERD? Diamond Circle Rectangle Oval Diamond Circle Rectangle Oval ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. False True False True 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 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 Which of the following is not one of the three ways to classify an action assertion? Condition Enabler Authorization Integrity Control Condition Enabler Authorization Integrity Control ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy is which of the following? Each subtype has only one supertype. Each supertype has only one attribute. Each subtype has only one attribute. Each supertype has only one subtype. Each subtype has only one supertype. Each supertype has only one attribute. Each subtype has only one attribute. Each supertype has only one subtype. ANSWER DOWNLOAD EXAMIANS APP
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