| id | name | location |
|---|---|---|
| 1 | ABC School | New York |
| 2 | DEF School | London |
| 3 | GHI School | Paris |
| 4 | JKL School | Berlin |
| 5 | MNO School | Rome |
| id | level |
|---|---|
| 1 | Beginner_Level |
| 2 | Intermediate_Level |
| 3 | Advanced_Level |
| 4 | Expert_Level |
| language_schools_id | course_levels_id |
|---|---|
| (→ Language_Schools.id) | (→ Course_Levels.id) |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 1 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 1 | 3 |
| 2 | 3 |
| 4 | 3 |
| 5 | 3 |
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 4 |
| 5 | 4 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |