ER Model and Business Rules MCQ Questions and Answers

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In this section we provide lots of objective question of ER Model and Business Rules in Database Management System.

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1) An action assertion must include which of the following?

2) An oval represents which of the following in an EER?

3) Inheritance is which of the following?

4) When an entity instance must be a member of only one subtype, it is which of the following?

5) A supertype/subtype hierarchy is which of the following?

6) A rectangle represents which of the following in an EER?

7) Which one of the following symbols is not used in an ERD?

8) Specialization is which of the following processes?

9) Which of the following statements concerning business rules is true?

10) A supertype/subtype hierarchy has which of the following features?