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Developing an E-R Diagram

ITBP340 SP19_ASG1 a Search in Document Home Insert Draw Design Layout References Mngs Review View Share Comments XArial AaBbCcDc AabCcDdEt Styles Pane Narmal No Spacing Heading 1 Heading 2 Title 11 One of those professors chairs the department. Only one of the professors can chair the department. 12 DEPARTMENT is optional to PROFESSOR in the "chairs" relationship 13 Each professor may teach up to four classes each one a section of a course 14 A professor may also be on a research contract 15 Each department has several students whose 16 Each student has only a single major and and teach no classes. major is offered by that department. associated with a single department. 17- Each student has an advisor in his or her department; each advisor counsels several students 18- An advisor is also a professor, but not all professors advise students Page 4 of 7 255 words English (United States) Focus + 63%