Entities

Relationship

keys

cardinality

Tasks/Assignments(s) Task 1 : Construct an E-R diagram for the following system: A university registrar's office maintains the registration's system data considering the following: 1. Courses: including (Number, Title, Credit_Hours, Syllabus, and Prerequisites) 2. Sections: including (Course_Number, Year, Semester, Section_Number, Instructor(s), Timings, and Classroom) 3. Students including (Student_id, Name, and Program) 4. Instructors: including (Identification_number, Name, Department, and Title) 5. The students' enrollment within courses and grades awarded for each student in each course