Classes
| id | className |
| 1 | Mathematics |
| 2 | Physics |
| 3 | Chemistry |
| 4 | Biology |
| 5 | English Literature |
Fields
| fieldId | fieldName |
| 1 | Sports Ground |
| 2 | Art Studio |
| 3 | Music Room |
| 4 | Library |
| 5 | Auditorium |
Halls
| hallId | hallName |
| 1 | Lecture Hall A |
| 2 | Lecture Hall B |
| 3 | Seminar Room C |
| 4 | Conference Room D |
| 5 | Meeting Room E |
Students
| studentId | firstName | lastName | age | classID |
| | | | (→ Classes.id) |
| 1 | John | Doe | 16 | 1 |
| 2 | Jane | Smith | 17 | 2 |
| 3 | Michael | Brown | 18 | 3 |
| 4 | Emily | White | 19 | 4 |
| 5 | David | Green | 17 | 5 |
Numbers
| numberId | numValue | classID | fieldId | hallId |
| | (→ Classes.id) | (→ Fields.fieldId) | (→ Halls.hallId) |
| 1 | 45 | 1 | 1 | 1 |
| 2 | 30 | 2 | 2 | 2 |
| 3 | 50 | 3 | 3 | 3 |
| 4 | 60 | 4 | 4 | 4 |
| 5 | 70 | 5 | 5 | 5 |
Trips
| tripId | tripDate | destination | fieldId |
| | | (→ Fields.fieldId) |
| 1 | 2022-10-15 | New York | 1 |
| 2 | 2022-10-20 | London | 2 |
| 3 | 2022-10-25 | Paris | 3 |
| 4 | 2022-10-30 | Tokyo | 4 |
| 5 | 2022-11-05 | Sydney | 5 |