Chapter 4 - Homework of Chapter 4 CIS4271/CIS6274 Fall...

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Homework of Chapter 4 CIS4271/CIS6274 Fall Quarter 2007 MULTIPLE CHOICE: Choose the one alternative that best completes the statement or answers the question. 1. ( C ) The property by which subtype entities possess the values of all attributes of a supertype is called: A) hierarchy reception. B) class management. C) attribute inheritance. D) generalization. Figure tb4–1 2. ( A ) In Figure tb4–1, which of the following are subtypes of patient? A) Outpatient B) Physician C) Bed D) All of the above Figure tb4–2 3. ( B ) In Figure tb4–2, to which of the following entities are the entities “CAR” and “TRUCK” generalized? A) Make B) Vehicle
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Model D) Price Figure tb4–3 4. ( A ) In Figure tb4–3, a student: A) must be a graduate student, an undergraduate, a special student or some other type of student. B) must be a graduate student or an undergraduate student. C) must be at least a special student. D) none of the above. 5. ( A ) In Figure tb4–4, the patient must be either an outpatient or a resident patient. This is an example of the _____ rule. Figure tb 4–4 A) disjoint B) specialization C) generalization D) overlap 6. ( D ) An attribute of the supertype that determines the target subtype(s) is called the: A) determinant. B)
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This homework help was uploaded on 04/17/2008 for the course CIS 4271 taught by Professor Du during the Fall '07 term at CSU East Bay.

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Chapter 4 - Homework of Chapter 4 CIS4271/CIS6274 Fall...

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