数据库系统概论（第5版）萨师煊.王珊代码mysql版本（建库建表查询语句）

Posted 2022-11-30 wyx100

建库语句

drop database if exists `school`;
create database `school` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

建表语句

学生表

-- ----------------------------
-- Table structure for student
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (
  `Sno` char(9) DEFAULT NULL,
  `Sname` char(20) DEFAULT NULL,
  `Ssex` char(2) DEFAULT NULL,
  `Sage` int(11) DEFAULT NULL,
  `Sdept` char(20) DEFAULT NULL,
  UNIQUE KEY `Sno` (`Sno`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ----------------------------
-- Records of student
-- ----------------------------
INSERT INTO `student` VALUES ('200215121', '李勇', '男', '20', 'CS');
INSERT INTO `student` VALUES ('200215122', '刘晨', '女', '19', 'CS');
INSERT INTO `student` VALUES ('200215123', '王敏', '女', '18', 'MA');
INSERT INTO `student` VALUES ('200215124', '张立', '男', '19', 'IS');

课程表

-- ----------------------------
-- Table structure for course
-- ----------------------------
DROP TABLE IF EXISTS `course`;
CREATE TABLE `course` (
  `Cno` char(4) NOT NULL,
  `Cname` char(40) DEFAULT NULL,
  `Cpno` char(4) DEFAULT NULL,
  `Ccredit` smallint(6) DEFAULT NULL,
  PRIMARY KEY (`Cno`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ----------------------------
-- Records of course
-- ----------------------------
INSERT INTO `course` VALUES ('1', '数据库', '5', '4');
INSERT INTO `course` VALUES ('2', '数学', '', '2');
INSERT INTO `course` VALUES ('3', '信息系统', '1', '4');
INSERT INTO `course` VALUES ('4', '操作系统', '6', '3');
INSERT INTO `course` VALUES ('5', '数据结构', '7', '4');
INSERT INTO `course` VALUES ('6', '数据处理', '', '2');
INSERT INTO `course` VALUES ('7', 'PaSCal语言', '6', '4');

学生课程关系表

-- ----------------------------
-- Table structure for sc
-- ----------------------------
DROP TABLE IF EXISTS `sc`;
CREATE TABLE `sc` (
  `Sno` char(9) DEFAULT NULL,
  `Cno` char(4) DEFAULT NULL,
  `Grade` smallint(6) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ----------------------------
-- Records of sc
-- ----------------------------
INSERT INTO `sc` VALUES ('200215121', '1', '92');
INSERT INTO `sc` VALUES ('200215121', '2', '85');
INSERT INTO `sc` VALUES ('200215121', '3', '88');
INSERT INTO `sc` VALUES ('200215122', '2', '90');
INSERT INTO `sc` VALUES ('200215122', '3', '80');