Problem was joining on course registrations table, which
produced multiple matches for each registration.
(Instructors who teach multiple sections have multiple course
registrations.)
Also, introduced a generic way to load a model object based
on its unique id.
Problem was joining on course registrations table, which produced multiple matches for each registration. (Instructors who teach multiple sections have multiple course registrations.)
Also, introduced a generic way to load a model object based on its unique id.