ER diagram
School database
Students, courses, enrolments and grades.
- Category
- Education
- Diagram type
- ER diagram
- Elements
- 4
- Connectors
- 3
What it is for
Enrolment is its own table because a student-course pair carries data of its own — the term, the grade, whether they withdrew.
More about the er diagram makerWhen it helps
- Teaching relational design
- Building a student record system
- Explaining associative entities
