Fichier USER_COURSE_RESULT:
"reference_id";"user_score";"passed";"passing_score";"max_score";"created_at";"user_id"

Fichier VISUALISATION:
"course_id";"part_id";"session_id";"date";"user_id"

Fichier USER_EXERCISE_SESSION:
"id";"exercise_id";"created_at";"completed_at";"score";"user_id"

Fichier USER_FOLLOW_COURSE:
"course_id";"created_at";"user_id"

Fichier USER_PREMIUM:
"user_id";"started_at";"ended_at"