public static String registrarOcupa(int id_car, String ci, Date inic_gest, Date fin_gest, String observacion) {
        return "INSERT INTO `ocupa` (id_car,ci,inic_gest,fin_gest,observacion)VALUES('"
                + id_car + "','"
                + ci + "','"
                + inic_gest + "','"
                + fin_gest + "','"
                + observacion + "');";
    }