Question

UVA registrar’s office: It maintains data about each class, including the instructor, students,  enrollment, time and place of the class meetings. For each student-class pair, a grade is  recorded. Your design should include an E-R diagram, a set of relational schemas, and a list  of constraints, including primary-key and foreign-key constraints.​

Answer 1

Explanation:

Success usually comes to those who are too busy to be looking for it."