SchoolDB数据库的四张表

/*
Navicat Premium Data Transfer

Source Server : MYSQL
Source Server Type : MySQL
Source Server Version : 50731
Source Host : localhost:3306
Source Schema : schooldb

Target Server Type : MySQL
Target Server Version : 50731
File Encoding : 65001

Date: 11/03/2026 12:10:26
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

— —————————-
— Table structure for class
— —————————-
DROP TABLE IF EXISTS `class`;
CREATE TABLE `class` (
`classNo` char(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '主键具有唯一性',
`className` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
`department` varchar(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
`grade` int(2) NULL DEFAULT NULL,
`number` int(2) NULL DEFAULT NULL,
PRIMARY KEY (`classNo`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;

— —————————-
— Records of class
— —————————-

— —————————-
— Table structure for course
— —————————-
DROP TABLE IF EXISTS `course`;
CREATE TABLE `course` (
`courseNo` char(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '主键具有唯一性',
`courseName` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
`point` int(2) NOT NULL,
`hour` int(2) NOT NULL,
`term` char(2) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`lead` char(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
PRIMARY KEY (`courseNo`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;

— —————————-
— Records of course
— —————————-

— —————————-
— Table structure for score
— —————————-
DROP TABLE IF EXISTS `score`;
CREATE TABLE `score` (
`scoreID` int(6) NOT NULL COMMENT '主键具有唯一性 自增',
`studentNo` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '外键',
`courseNo` char(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '外键',
`result` float(2, 0) NULL DEFAULT NULL,
PRIMARY KEY (`scoreID`) USING BTREE,
INDEX `courseNo`(`courseNo`) USING BTREE,
INDEX `studentNo`(`studentNo`) USING BTREE,
CONSTRAINT `score_ibfk_1` FOREIGN KEY (`courseNo`) REFERENCES `course` (`courseNo`) ON DELETE NO ACTION ON UPDATE NO ACTION,
CONSTRAINT `score_ibfk_2` FOREIGN KEY (`studentNo`) REFERENCES `student` (`studentNo`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;

— —————————-
— Records of score
— —————————-

— —————————-
— Table structure for student
— —————————-
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (
`studentNo` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '主键具有唯一性',
`studentName` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
`gender` char(2) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '默认“男”',
`birthday` date NULL DEFAULT NULL,
`address` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '默认“河北省石家庄市”',
`national` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '默认“汉”',
`phone` char(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`classNo` char(6) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '外键',
PRIMARY KEY (`studentNo`) USING BTREE,
INDEX `classNo`(`classNo`) USING BTREE,
CONSTRAINT `student_ibfk_1` FOREIGN KEY (`classNo`) REFERENCES `class` (`classNo`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;

— —————————-
— Records of student
— —————————-

SET FOREIGN_KEY_CHECKS = 1;