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Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1049] Unknown database 'ecole' in /var/www/html/ecole/connexion.php:12 Stack trace: #0 /var/www/html/ecole/connexion.php(12): PDO->__construct() #1 /var/www/html/ecole/etudiantDAO.php(25): include('...') #2 /var/www/html/ecole/supprimer-etudiant.php(5): EtudiantDAO::supprimerEtudiant() #3 {main} thrown in /var/www/html/ecole/connexion.php on line 12