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E-R diagram

Whats A Matter University (good old Whatsamatter U) is developing a database to manage academic issues. You are asked to assist in the design of the database. Sketch the Entity-Relationship diagram for each of the following business needs. Your answer must adhere to the following guidelines: a) You need to provide a separate E-R diagram for each of the questions, not a single diagram that addresses all five questions; b) Your model should follow the crows foot notation, as described in Chapter 4 (pp 253-255) of the text.

1.The university is divided into several schools such as business, arts and sciences, education, applied sciences, etc. Each school is administered by a dean who is also a professor. Each professor can be the dean of only one school, and a professor is not required to be the dean of any school. Data of interest regarding the school includes: school code and school name. Data of interest regarding the professor includes: ID number, specialty, rank, name, and email address.

2.Each school is comprised of several departments. For example, the school of business has an accounting department, a management department, a marketing department, etc. The smallest number of departments operated by a school is one, and the largest number of departments is indeterminate. Each department belongs to only a single school. Data of interest regarding departments includes: department code and department name.

3.Each department offers courses. For example, the management department offers courses such as Introduction to Management and Production Management. Each course is identified by a unique course number, a course title, and a course description. Data of interest regarding courses includes: course number, course title, course description, and credit hours.

4.Each semester, a number of courses (but not all courses) are offered. Any given course might be offered once or a number of times in the semester. Each course offering is uniquely identified by a CRN (course requirement number). Other information regarding the course offering includes: cycle (i.e. Monday-Wednesday-Friday, Tuesday-Thursday, etc), starting time (i.e. 8:00 am), duration (i.e. 50 minutes) and semester (i.e. Fall 2014).

5.Each department has at least one professor assigned to it. A professor is assigned to one and only one department.


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