6. A rectangle represents which of the following in an EER? A. Attribute B. Entity C. Optional One D. Relationship Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
7. Which one of the following symbols is not used in an ERD? A. Rectangle B. Oval C. Diamond D. Circle Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
8. Specialization is which of the following processes? A. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. B. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. C. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. D. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
9. Which of the following statements concerning business rules is true? A. It should be complex. B. It should not be convertible to computer code. C. It may include restrictions. D. All of the above. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
10. A supertype/subtype hierarchy has which of the following features? A. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. B. Attributes are assigned at the highest logical level. C. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. D. Attributes are assigned at the lowest logical level. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board