University course registration ER diagram models the complete enrollment lifecycle with Student, Course, Section, Instructor, Enrolment, and Prerequisite entities. Students enroll in specific course sections taught by instructors, with enrollment records capturing grades and enrollment dates, while prerequisites enforce course dependencies. This normalized schema eliminates data redundancy and ensures referential integrity across academic programs. Fork and customize this diagram on Diagrams.so to adapt it for your institution's registration requirements, add additional constraints, or export as .drawio for database design tools. The design supports multi-section courses, instructor assignments, and prerequisite validation—essential for scalable higher-education enrollment platforms.