Requête 7 invalide, sql=SELECT DATE_FORMAT( date_creation, '%Y' ), DATE_FORMAT( date_creation, '%c' ), count(*) FROM historique_themes as a WHERE cle_theme = 1 AND DATE_FORMAT( date_creation, '%Y' ) >= DATE_FORMAT(date_add( now(),interval -2 YEAR), '%Y') group by DATE_FORMAT( date_creation, '%Y%m' ) order by DATE_FORMAT( date_creation, '%Y%m' ) asc