create table student(
sno varchar(20) not null comment'学号',
sname varchar(20) not null comment'学生姓名',
ssex varchar(20) not null comment'学生性别',
sbirthday datetime comment'学生出生年月',
class varchar(20) comment '学生所在班级',
primary key(sno)
);
create table course(
cno varchar(20) comment'课程号',
cname varchar(20) comment'课程名称',
tno varchar(20) comment'教工编号',
primary key(cno)
set names gbk;
insert into student values
('108','曾华','男','1997-09-01','95033'),
('105','匡明','男','1975-10-02','95031'),
('107','王丽','女','1976-01-23','95033'),
('101','李军','女','1976-02-20','95033'),
('109','王芳','女','1976-02-10','95031'),
('103','陆君','男','1974-06-03','95031');
insert into course values
('3-105','计算机导论','825'),
('3-245','操作系统','804'),
('6-166','数字电路','856'),
('9-888','高等数学','831');
