1. Before deleting "student": Remove them from FROM Courses so that they could be marked unenrolled. 2. On "delete my Course": remove it from Categories and instructor Profile, NOT the course itself, so that students who paid can still watch it 3. Before deleting "instructor": remove their Courses in Categories so that they just do no show up
so that they could be marked unenrolled.
so that students who paid can still watch it
so that they just do no show up