ER Model and Business Rules A rectangle represents which of the following in an EER? Optional One Entity Relationship Attribute Optional One Entity Relationship Attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype entity name should be which of the following? All of these Concise A singular noun Specific to the organization All of these Concise A singular noun Specific to the organization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype discriminator is which of the following? An attribute of the supertype whose values determine the subtype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the supertype An attribute of the supertype whose values determine the subtype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the supertype ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Packaged data models are meant to be exactly right straight out of the box. 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? Diamond Circle Rectangle Oval Diamond Circle Rectangle Oval ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Inheritance is which of the following? When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a supertype entity inherits values of another supertype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a supertype entity inherits values of another supertype attribute ANSWER DOWNLOAD EXAMIANS APP