Identify two aggregation relationships?

A degree program contains several courses. A student must be able to register in a degree program. Then the student can register in courses, drop courses, and view his schedule. In addition, the student can access the lectures, and view his grades in each course. An undergraduate can register only in level 100-400 courses. A postgraduate student can register in level 500 and above courses. Every course contains several lectures. A lecture is delivered by an instructor. An instructor can be a lecturer, assistant professor, or professor. An instructor must be able to deliver a course, conduct exams for the students and enter the students' grades.

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Degree Program to Courses Aggregation A degree program contains several courses Expl... View the full answer