学生信息数据库的表结构和样本数据

create database stusys;

use stusys;

create table student

(

sno varchar(6) not null primary key comment '学号',

sname varchar(8) not null comment '姓名',

ssex varchar(2) not null default '男' comment '性别',

sbirthday date not null comment '出生日期',

speciality varchar(12) null comment '专业',

tc tinyint null comment '总学分'

);

create table course

(

cno varchar(4) not null primary key comment '课程号',

cname varchar(16) not null comment '课程名',

credit tinyint null comment '学分'

);

create table score

(

sno varchar(6) not null comment '学号',

cno varchar(4) not null comment '课程号',

grade tinyint null comment '成绩',

primary key(sno,cno)

);

create table teacher

(

tno varchar(6) not null primary key comment '教师编号',

tname varchar(8) not null comment '姓名',

tsex varchar(2) not null comment '性别',

tbirthday date not null comment '出生日期',

title varchar(12) null comment '职称',

school varchar(12) null comment '学院'

);

create table lecture

(

tno varchar(6) not null comment '教师编号',

cno varchar(4) not null comment '课程号',

location varchar(10) null comment '上课地点',

primary key(tno,cno)

);

use stusys;

insert into student

values

('191001','刘清泉','男','1998-06-21','计算机',52),

('191002','张慧玲','女','1999-11-07','计算机',50),

('191003','冯涛','男','1999-08-12','计算机',52),

('196001','董明霞','女','1999-05-02','通信',50),

('196002','李茜','女','1998-07-25','通信',48),

('196004','周俊文','男','1998-03-10','通信',52);

insert into course

values

('1004','数据库系统',4),

('1017','操作系统',4),

('4002','数字电路',4),

('8001','高等数学',4),

('1201','英语',4);

insert into score

values

('191001','1004',95),

('191002','1004',87),

('191003','1004',93),

('196001','4002',90),

('196002','4002',79),

('196004','4002',88),

('191001','8001',92),

('191002','8001',88),

('191003','8001',84),

('196001','8001',87),

('196002','8001',null),

('196004','8001',94),

('191001','1201',92),

('191002','1201',78),

('191003','1201',93),

('196001','1201',84),

('196002','1201',76),

('196004','1201',92);

insert into teacher

values

('100006','何艺杰','男','1970-06-23','教授','计算机学院'),

('100023','孙浩然','男','1979-04-09','教授','计算机学院'),

('400017','李亚兰','女','1988-11-04','讲师','通信学院'),

('800028','袁万明','男','1978-08-15','副教授','数学学院'),

('120046','刘硕','女','1976-12-25','副教授','外国语学院');

insert into lecture

values

('100006','1004','2-311'),

('400017','4002','1-106'),

('800028','8001','6-104'),

('120046','1201','6-215');