show create table ti_road_node_code; CREATE TABLE `ti_road_node_relation` ( `en_road_node_id` char(16) COLLATE utf8_bin NOT NULL COMMENT '入口节点编号', `ex_road_node_id` char(16) COLLATE utf8_bin NOT NULL COMMENT '出口节点编号', `miles` int unsigned COLLATE utf8_bin NOT NULL COMMENT '里程(米)', PRIMARY KEY (en_road_node_id,ex_road_node_id) ) COMMENT='相邻节点关系表' ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
表名加注释: 最后:COMMENT='学生信息'node