CREATE TABLE `admin_notification_log` ( `id_admin_notification_log` int(11) unsigned NOT NULL AUTO_INCREMENT, `id_order` int(11) unsigned DEFAULT NULL, `description` varchar(255) DEFAULT NULL, `date` datetime DEFAULT NULL, PRIMARY KEY (`id_admin_notification_log`), KEY `id_order` (`id_order`), CONSTRAINT `admin_notification_log_ibfk_1` FOREIGN KEY (`id_order`) REFERENCES `order` (`id_order`) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;