目的
描述的学生、成绩、专业之间的用途
数据图式
数据源
/* Navicat MySQL Data Transfer Source Server : 135数据库 Source Server Version : 50650 Source Host : 192.168.209.135:3306 Source Database : student Target Server Type : MYSQL Target Server Version : 50650 File Encoding : 65001 Date: 2020-12-28 16:38:15 */ SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for major -- ---------------------------- DROP TABLE IF EXISTS `major`; CREATE TABLE `major` ( `majorid` int(11) NOT NULL AUTO_INCREMENT, `majorname` varchar(20) NOT NULL, PRIMARY KEY (`majorid`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of major -- ---------------------------- INSERT INTO `major` VALUES ('1', 'javaee'); INSERT INTO `major` VALUES ('2', 'html5'); INSERT INTO `major` VALUES ('3', 'android'); -- ---------------------------- -- Table structure for result -- ---------------------------- DROP TABLE IF EXISTS `result`; CREATE TABLE `result` ( `id` int(11) NOT NULL AUTO_INCREMENT, `studentno` varchar(10) NOT NULL, `score` double DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of result -- ---------------------------- INSERT INTO `result` VALUES ('1', 's001', '100'); INSERT INTO `result` VALUES ('2', 's002', '90'); INSERT INTO `result` VALUES ('3', 's003', '80'); INSERT INTO `result` VALUES ('4', 's004', '70'); INSERT INTO `result` VALUES ('5', 's005', '60'); INSERT INTO `result` VALUES ('6', 's006', '50'); INSERT INTO `result` VALUES ('7', 's006', '40'); INSERT INTO `result` VALUES ('8', 's005', '95'); INSERT INTO `result` VALUES ('9', 's006', '88'); -- ---------------------------- -- Table structure for student -- ---------------------------- DROP TABLE IF EXISTS `student`; CREATE TABLE `student` ( `studentno` varchar(10) NOT NULL, `studentname` varchar(20) NOT NULL, `loginpwd` varchar(8) NOT NULL, `sex` char(1) DEFAULT NULL, `majorid` int(11) NOT NULL, `phone` varchar(11) DEFAULT NULL, `email` varchar(20) DEFAULT NULL, `borndate` datetime DEFAULT NULL, PRIMARY KEY (`studentno`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of student -- ---------------------------- INSERT INTO `student` VALUES ('S001', '张三封', '8888', '男', '1', '13288886666', 'zhangsanfeng@126.com', '1966-09-01 00:00:00'); INSERT INTO `student` VALUES ('S002', '殷天正', '8888', '男', '1', '13888881234', 'yintianzheng@qq.com', '1976-09-02 00:00:00'); INSERT INTO `student` VALUES ('S003', '周伯通', '8888', '男', '2', '13288886666', 'zhoubotong@126.com', '1986-09-03 00:00:00'); INSERT INTO `student` VALUES ('S004', '张翠山', '8888', '男', '1', '13288886666', null, '1995-09-04 00:00:00'); INSERT INTO `student` VALUES ('S005', '小小张', '8888', '女', '3', '13288885678', 'xiaozhang@126.com', '1990-09-05 00:00:00'); INSERT INTO `student` VALUES ('S006', '张无忌', '8888', '男', '2', '13288886666', 'zhangwuji@126.com', '1998-08-09 00:00:00'); INSERT INTO `student` VALUES ('S007', '赵敏', '0000', '女', '1', '13288880987', 'zhaomin@126.com', '1998-06-09 00:00:00'); INSERT INTO `student` VALUES ('S008', '周芷若', '6666', '女', '1', '13288883456', 'zhouzhiruo@126.com', '1996-07-09 00:00:00'); INSERT INTO `student` VALUES ('S009', '殷素素', '8888', '女', '1', '13288886666', 'yinsusu@163.com', '1986-01-09 00:00:00'); INSERT INTO `student` VALUES ('S010', '宋远桥', '6666', '男', '3', '1328888890', 'songyuanqiao@qq.com', '1996-02-09 00:00:00'); INSERT INTO `student` VALUES ('S011', '杨不悔', '6666', '女', '2', '13288882345', null, '1995-09-09 00:00:00'); INSERT INTO `student` VALUES ('S012', '杨逍', '9999', '男', '1', '13288885432', null, '1976-09-09 00:00:00'); INSERT INTO `student` VALUES ('S013', '纪晓芙', '9999', '女', '3', '13288888765', null, '1976-09-09 00:00:00'); INSERT INTO `student` VALUES ('S014', '谢逊', '9999', '男', '1', '13288882211', null, '1946-09-09 00:00:00'); INSERT INTO `student` VALUES ('S015', '宋青书', '9999', '男', '3', '13288889900', null, '1976-06-08 00:00:00');