## Students

id | name | age
--- | --- | ---
1 | Alice | 20
2 | Bob | 21
3 | Charlie | 22
4 | David | 23
5 | Eva | 24

## Exams

id | student_id | marks
--- | --- | ---
| (→ Students.id) |
1 | 1 | 85
2 | 2 | 90
3 | 3 | 75
4 | 4 | 65
5 | 5 | 80

## Quizzes

id | student_id | points
--- | --- | ---
| (→ Students.id) |
1 | 1 | 70
2 | 2 | 85
3 | 3 | 60
4 | 4 | 55
5 | 5 | 75

## Assessors

id | name
--- | ---
1 | Professor Smith
2 | Dr. Johnson
3 | Ms. Brown
4 | Mr. White
5 | Mrs. Green

## Subjects

id | subject_name | assessor_id
--- | --- | ---
|  | (→ Assessors.id)
1 | Mathematics | 1
2 | Physics | 2
3 | Chemistry | 3
4 | Biology | 4
5 | History | 5

## StudentSubjects

student_id | subject_id
--- | ---
(→ Students.id) | (→ Subjects.id)
1 | 1
2 | 2
3 | 3
4 | 4
5 | 5