In Chapter 4, you saw the creation of the Tiny College database design, which reflected such business rules as "a professor may advise many students" and "a professor may chair one department." Modify the design shown in Figure 4.35 to include these business rules: An employee could be staff, a professor, or an administrator. A professor may also be an administrator. Staff employees have a work-level classification, such as Level I or Level II. Only professors can chair a department. A department is chaired by only one professor. Only professors can serve as the dean of a college. Each of the university's colleges is served by one dean. A professor can teach many classes. Administrators have a position title. Given that information, create the complete ERD that contains all primary keys, foreign keys, and main attributes.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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In Chapter 4, you saw the creation of the Tiny College database design, which reflected such business rules as "a professor may advise many students" and "a professor may chair one department." Modify the design shown in Figure 4.35 to include these business rules:

  • An employee could be staff, a professor, or an administrator.
  • A professor may also be an administrator.
  • Staff employees have a work-level classification, such as Level I or Level II.
  • Only professors can chair a department. A department is chaired by only one professor.
  • Only professors can serve as the dean of a college. Each of the university's colleges is served by one dean.
  • A professor can teach many classes.
  • Administrators have a position title.

Given that information, create the complete ERD that contains all primary keys, foreign keys, and main attributes.

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