ER Model and Business Rules An action assertion must include which of the following? All of these Anchor object Action Corresponding object All of these Anchor object Action Corresponding object ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype entity name should be which of the following? A singular noun Concise Specific to the organization All of these A singular noun Concise Specific to the organization All of these ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Use of a supertype/subtype relationship is necessary when which of the following exists? 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. An instance of a subtype participates in a relationship that is the same as the other subtypes. Attributes apply to all of the instances of an entity type. 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. An instance of a subtype participates in a relationship that is the same as the other subtypes. Attributes apply to all of the instances of an entity type. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A rectangle represents which of the following in an EER? Entity Attribute Optional One Relationship Entity Attribute Optional One Relationship ANSWER DOWNLOAD EXAMIANS APP
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