database concepts

Using a database : single table queries

Student tables

Student

Student_No Name Total_Units Coord_No
12345678 Donald Duck 230 23
98765432 Mickey Mouse 120 45
56321478 Mother Goose 40 23

Total_Units is an unlikely attribute in a fully-fledged database. A database that recorded information about grades could work this out.

Coordinator

Coord_No Name Employee_No
23 Fred Flinstone AS1234
45 Pluto AS5678

Course

Course_No Name Units
HIT232 Relational Database Systems 10
HIT999 Project 20

Grade

Student_No Course_No Grade
12345678 HIT232 HD
12345678 HIT999 P
98765432 HIT232 HD
56321478 HIT232 D
56321478 HIT999 C