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topic/ER Model and Business Rules

Question NoTitleTypeMarks
865.An action assertion must include which of the following?
MCQ
5
866.An oval represents which of the following in an EER?
MCQ
5
867.Inheritance is which of the following?
MCQ
5
868.When an entity instance must be a member of only one subtype, it is which of the following?
MCQ
5
869.A supertype/subtype hierarchy is which of the following?
MCQ
5