```mermaid
erDiagram
  employees {
    int id_employee PK
    int age
    varchar genre
    int revenu_mensuel
    varchar statut_marital
    varchar departement
    varchar poste
    int annee_experience_totale
    int annees_dans_l_entreprise
    int satisfaction_employee_environnement
    int note_evaluation_precedente
    int satisfaction_employee_nature_travail
    int satisfaction_employee_equipe
    int satisfaction_employee_equilibre_pro_perso
    int note_evaluation_actuelle
    varchar heure_supplementaires
    int augementation_salaire_precedente
    int nombre_participation_pee
    int nb_formations_suivies
    int distance_domicile_travail
    int niveau_education
    varchar frequence_deplacement
    int annees_depuis_la_derniere_promotion
    varchar a_quitte_l_entreprise
  }
    
  prediction_inputs {
    int id PK
    timestamp created_at
    int id_employee
    int age
    varchar genre
    int revenu_mensuel
    varchar statut_marital
    varchar departement
    varchar poste
    int annee_experience_totale
    int annees_dans_l_entreprise
    int satisfaction_employee_environnement
    int note_evaluation_precedente
    int satisfaction_employee_nature_travail
    int satisfaction_employee_equipe
    int satisfaction_employee_equilibre_pro_perso
    int note_evaluation_actuelle
    varchar heure_supplementaires
    int augementation_salaire_precedente
    int nombre_participation_pee
    int nb_formations_suivies
    int distance_domicile_travail
    int niveau_education
    varchar frequence_deplacement
    int annees_depuis_la_derniere_promotion
  }

  prediction_inputs ||--|| prediction_outputs : "1:1"
  
  prediction_outputs {
    int id PK
    int input_id FK
    varchar prediction
    float probabilite
    int classe
  }
    
  api_logs {
    int id PK
    timestamp created_at
    varchar operation
    varchar table_cible
    varchar details
    varchar statut
  }
```