Unless otherwise stated, all operations should respond immediately.  The exception to this rule is schedule generation, which should be on the order of 10's of minutes.

The maximum size requirements for stored data, in terms of data elements:

Data Element	Order of elements
Course DB	10's
Classroom DB	100's
Instructors DB	10's
Instructor Course Prefs DB	10's
Instructor Time Prefs DB	10's
Administrator DB	1's
Student Feedback Course DB	100's
Student Feedback Comments DB	100's
Schedule DB	100's