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49 lines
2.0 KiB
49 lines
2.0 KiB
6 months ago
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USE hutao;
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CREATE TABLE IF NOT EXISTS
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student_info
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(
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number INT PRIMARY KEY COMMENT '学生ID信息表的主键',
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name VARCHAR(5) NOT NULL COMMENT '学生姓名',
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sex ENUM('男', '女') COMMENT '学生性别',
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id_number CHAR(18) COMMENT '身份证',
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department VARCHAR(30) COMMENT '学院',
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major VARCHAR(30) COMMENT '专业',
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enrollment_time DATE COMMENT '入学时间',
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UNIQUE KEY id_number (id_number)
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) COMMENT '学生信息表';
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CREATE TABLE IF NOT EXISTS
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student_score
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(
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number INT COMMENT '学生ID',
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subject VARCHAR(30) COMMENT '学科',
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score INT NOT NULL COMMENT '成绩',
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PRIMARY KEY (number, subject),
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CONSTRAINT FOREIGN KEY (number) REFERENCES student_info(number)
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) COMMENT '学生成绩表';
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SHOW CREATE TABLE student_info;
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INSERT INTO
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student_info(number, name, sex, id_number, department, major, enrollment_time)
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VALUES
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(20210101, '狗哥', '男', '158177200301044792', '计算机学院', '计算机科学与工程', '2021-09-01'),
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(20210102, '猫爷', '男', '151008200201178529', '计算机学院', '计算机科学与工程', '2021-09-01'),
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(20210103, '艾希', '女', '17156320010116959X', '计算机学院', '软件工程', '2021-09-01'),
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(20210104, '亚索', '男', '141992200201078600', '计算机学院', '计算机科学与工程', '2021-09-01'),
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(20210105, '莫甘娜', '女', '181048200008156368', '航天学院', '飞行器设计', '2021-09-01'),
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(20210106, '赵信', '男', '197995200201078445', '航天学院', '电子信息', '2021-09-01');
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INSERT INTO
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student_score(number, subject, score)
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VALUES
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(20210101, '计算机是怎样运行的', 78),
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(20210101, 'MySQL是怎样运行的', 88),
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(20210102, '计算机是怎样运行的', 100),
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(20210102, 'MySQL是怎样运行的', 98),
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(20210103, '计算机是怎样运行的', 59),
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(20210103, 'MySQL是怎样运行的', 61),
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(20210104, '计算机是怎样运行的', 55),
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(20210104, 'MySQL是怎样运行的', 46);
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