Language_Schools

idnamelocation
1ABC SchoolNew York
2DEF SchoolLondon
3GHI SchoolParis
4JKL SchoolBerlin
5MNO SchoolRome

Course_Levels

idlevel
1Beginner_Level
2Intermediate_Level
3Advanced_Level
4Expert_Level

Language_Schools_Course_Levels

language_schools_idcourse_levels_id
(→ Language_Schools.id)(→ Course_Levels.id)
21
31
41
51
12
32
42
52
13
23
43
53
14
24
34
44
54
11
22
33