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 A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s). True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following statements concerning business rules is true? All of these It should not be convertible to computer code. It should be complex. It may include restrictions. All of these It should not be convertible to computer code. It should be complex. It may include restrictions. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Specialization is which of the following processes? Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype entity name should be which of the following? Concise All of these Specific to the organization A singular noun Concise All of these Specific to the organization A singular noun ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Use of a supertype/subtype relationship is necessary when which of the following exists? An instance of a subtype participates in a relationship that is unique to that subtype. Attributes apply to all of the instances of an entity type. An instance of a subtype participates in a relationship that is the same as the other subtypes. No attributes apply to any of the instances of an entity type. An instance of a subtype participates in a relationship that is unique to that subtype. Attributes apply to all of the instances of an entity type. An instance of a subtype participates in a relationship that is the same as the other subtypes. No attributes apply to any of the instances of an entity type. ANSWER DOWNLOAD EXAMIANS APP
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