54 lines
1.9 KiB
SQL
54 lines
1.9 KiB
SQL
create database if not exists education_administration_system default character set utf8mb4 collate utf8mb4_0900_ai_ci;
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use education_administration_system;
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create table if not exists Faculty(
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id char(15) primary key comment '职工号',
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name varchar(15) not null comment '姓名',
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password varchar(40) not null comment '密码(SHA加密)',
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sex char(5) not null comment '性别',
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birth date comment '出生年月日',
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department varchar(30) not null comment '部门/所在系',
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title varchar(15) comment '职称'
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);
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create table if not exists Student(
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id char(15) primary key comment '学号',
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name varchar(15) not null comment '姓名',
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password varchar(40) not null comment '密码(SHA加密)',
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sex char(5) not null comment '性别',
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birth date comment '出生年月日',
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department varchar(30) not null comment '所在系',
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grade int not null comment '年级',
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stuClass varchar(20) not null comment '班级'
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);
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create table if not exists Course(
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id char(8) primary key comment '课程号',
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name varchar(30) not null comment '课程名',
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credit int not null comment '学分',
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cnt int not null comment '选课人数'
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);
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create table if not exists SelectCourse(
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courseId char(8) comment '课程号',
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studentId char(15) comment '学生学号',
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grade decimal(5,2) comment '成绩',
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PRIMARY KEY(courseId,studentId),
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foreign key(courseId) references Course(id),
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foreign key(studentId) references Student(id)
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on update cascade
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on delete cascade
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);
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create table if not exists TeachCourse(
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courseId char(8) comment '课程号',
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facultyId char(15) comment '教师工号',
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location varchar(40) comment '授课地点',
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primary key(courseId,facultyId),
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foreign key(courseId) references Course(id),
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foreign key(facultyId) references Faculty(id)
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on update cascade
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on delete cascade
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);
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