ER Model and Business Rules Which one of the following symbols is not used in an ERD? Oval Rectangle Diamond Circle Oval Rectangle Diamond Circle 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
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 Which of the following statements concerning business rules is true? It may include restrictions. It should be complex. It should not be convertible to computer code. All of these It may include restrictions. It should be complex. It should not be convertible to computer code. All of these ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype entity name should be which of the following? Concise Specific to the organization A singular noun All of these Concise Specific to the organization A singular noun All of these ANSWER DOWNLOAD EXAMIANS APP
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