The ER diagram for online educational platforms explains the relations between different elements such as students, subjects, teachers, tasks, uploads, and registration in detail. The illustration depicts that the students take classes in subjects that are handled by the teachers. Courses have assignments attached and students do submissions with those getting marks. Teachers handle the classes and coursework. The ER diagram gives a good understanding of handling the online teaching and learning procedures so that the students the courses and the instructors are interfaced to enable a healthy system of learning.
