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