用到的SQL表
CREATE TABLE `student_01` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '名字',
`kecheng` varchar(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci DEFAULT NULL,
`score` varchar(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci DEFAULT NULL,
`other_id` int(11) DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE,
KEY `aaaa` (`other_id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT;
CREATE TABLE `student_01` (
`id` int(11)
