create database studentsdb;
use studentsdb;
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918171221583-1199809679.png)
create table student_info (学号 char(4) primary key not null,姓名 char(8) not null,性别 char(2),出生日期 date,家庭住址 varchar(50));
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918171040737-1899252034.png)
create table curriculum (课程编号 char(4) primary key not null,课程名称 varchar(50),学分 int);
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918171136334-1658182786.png)
create table curriculum (课程编号 char(4) primary key not null,课程名称 varchar(50),学分 int);
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918171150913-583551894.png)
mysql> insert into student_info values
-> ('001','张清平','男','2000-10-01','衡阳市东风路77号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('002','刘东阳','男','1998-12-09','东阳市八一北路33号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('003','马晓夏','女','1995-05-12','长岭市五一路763号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('004','钱忠理','男','1994-09-23','滨海市洞庭大道279号');
Query OK, 1 row affected (0.00 sec)
mysql> insert into student_info values
-> ('005','孙海洋','男','1995-04-03','长岛市解放路27号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('006','郭小斌','男','1997-11-10','南山市红旗路113号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('007','肖月玲','女','1996-12-07','东方市南京路11号');
Query OK, 1 row affected (0.01 sec)
mysql> insert into student_info values
-> ('008','张玲珑','女','1997-12-24','滨江市新建路97号');
Query OK, 1 row affected (0.01 sec)
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918182210697-1126548542.png)
mysql> insert into curriculum values
-> ('001','计算机应用基础','2');
Query OK, 1 row affected (0.01 sec)
mysql> insert into curriculum values
-> ('002','C语言程序设计','2');
Query OK, 1 row affected (0.01 sec)
mysql> insert into curriculum values
-> ('003','数据库原理及应用','2');
Query OK, 1 row affected (0.01 sec)
mysql> insert into curriculum values
-> ('004','英语','4');
Query OK, 1 row affected (0.01 sec)
mysql> insert into curriculum values
-> ('005','高等数学','4');
Query OK, 1 row affected (0.00 sec)
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918182314303-1337707012.png)
mysql> insert into grade values
-> ('001','001','80')
-> ;
mysql> insert into grade values
-> ('001','002','91');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('001','003','88');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('001','004','85');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('001','005','77')
-> ;
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('002','001','73');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('002','002','68');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('002','003','80');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('002','004','79');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('002','005','73');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('003','001','84');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('003','002','92'
-> );
Query OK, 1 row affected (0.01 sec)
mysql>
mysql> insert into grade values
-> ('003','003','81');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('003','004','82');
Query OK, 1 row affected (0.01 sec)
mysql> insert into grade values
-> ('003','005','75');
Query OK, 1 row affected (0.01 sec)
![](https://img2023.cnblogs.com/blog/3276450/202309/3276450-20230918182500726-1296244440.png)