final-sample1-solution

final-sample1-solution - Name: Final Exam - SAMPLE Name:...

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Name: Final Exam -- SAMPLE Name: Major: SSN (last 4 digits): Answer the following questions. Be brief and precise, please. You have 2 hours to finish the exam. 1. 15 points Consider a university database for the scheduling of classrooms for final exams. This database could be modeled as the single entity set EXAM , with attributes course, section, room , and time . Alternatively, one or more additional entity sets could be defined, along with relationship sets to replace some of the attributes of the EXAM entity set as follows: COURSE with name, department, c-number SECTION with s-number, enrollment , as a dependent weak entity set on COURSE . ROOM with building, r-number, and capacity . For these two design alternatives: (10) Show ER diagram illustrating the use of all three additional entity sets. (5) Explain what application characteristics would influence a decision to include or not to include one or more of the additional entity sets. o
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final-sample1-solution - Name: Final Exam - SAMPLE Name:...

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