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Joshua Mason

Joshua Mason. CH 4 part 1 Questions 11, 12, 13. Question 11. -What is the attribute inheritance? Why is it important?. Attribute inheritance is when a Super type picks up all of the subtype entities. This is important to help break down or simplify information we need. Question 12.

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Joshua Mason

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  1. Joshua Mason CH 4 part 1 Questions 11, 12, 13

  2. Question 11 -What is the attribute inheritance? Why is it important? Attribute inheritance is when a Super type picks up all of the subtype entities. This is important to help break down or simplify information we need.

  3. Question 12 • Give an example of each of the following • A supertype/ subtype relationship there the disjointed rule applies Student d 3.0-4.0GPA 2.0-2.9GPA 0-1.9GPA

  4. A supertype/subtype relationship where the overlap rule applies. Student o Business Cosc Sportsr

  5. Question 13 Relationships between entity types are business rules normally captured in an EER diagram.

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