学生管理系统——数据库表设计

Microsoft Windows [版本 10.0.14393]

(c) 2016 Microsoft Corporation。保留所有权利。

C:\Users\冯雷>mysql -uroot -p1234

mysql: [Warning] Using a password on the command line interface can be insecure.

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 48

Server version: 5.7.18-log MySQL Community Server (GPL)

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Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| mysql              |

| performance_schema |

| sakila             |

| student_database   |

| sys                |

| userinfo           |

| world              |

+--------------------+

8 rows in set (0.01 sec)

mysql> create database xsgl;

Query OK, 1 row affected (0.01 sec)

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| mysql              |

| performance_schema |

| sakila             |

| student_database   |

| sys                |

| userinfo           |

| world              |

| xsgl               |

+--------------------+

9 rows in set (0.00 sec)

mysql> use xsgl;

Database changed

//创建用户表

mysql> create table xsgl_user(

    -> user_id int auto_increment primary key,

    -> user_name varchar(30) not null,

    -> user_pwd varchar(30),

    -> user_datatime timestamp

    -> );

Query OK, 0 rows affected (0.08 sec)

//创建专业表

mysql> create table xsgl_major(

    -> major_id int auto_increment primary key,

    -> major_name varchar(30) not null unique

    -> );

Query OK, 0 rows affected (0.05 sec)

//创建课程表

mysql> create table xsgl_course(

    -> course_no varchar(6) primary key,

    -> course_name varchar(30) not null unique,

    -> course_teacher varchar(30)

    -> );

Query OK, 0 rows affected (0.06 sec)

//创建学生表

mysql> create table xsgl_student(

    -> stud_no varchar(8) primary key,

    ->  major_id int not null references xsgl_major(major_id),

    -> stud_name varchar(30) not null,

    -> stud_sex varchar(3) not null,

    -> stud_birthDate datetime,

    -> stud_isMember bool,

    -> stud_address varchar(100),

    -> stud_resume text

    -> );

Query OK, 0 rows affected (0.05 sec)

//创建成绩表

mysql> create table xsgl_score(

    -> stud_no varchar(8) references xsgl_student(stud_no),

    -> course_no varchar(6) references xsgl_course(course_no),

    -> score_score decimal(7,2) not null,

    -> primary key (stud_no,course_no)

    -> );

Query OK, 0 rows affected (0.05 sec)

//各表赋值

mysql> insert into xsgl_user(user_name,user_pwd)values('冯雷','1234');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_major(major_name)values('计算机科学与技术');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_major(major_name)values('物联网导论');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_major(major_name)values('网络安全');

Query OK, 1 row affected (0.00 sec)

mysql> insert into xsgl_course values('120011','C语言','熊博士');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_course values('120012','javaweb','李老师');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_course values('120013','数据结构','张老师');

Query OK, 1 row aff
4000
ected (0.00 sec)

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('101','张三','男','1998-01-20','1','北京');

ERROR 1136 (21S01): Column count doesn't match value count at row 1

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('101',1,'张三','男','1998-01-20',1,'北京');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('102',1,'李四','女','1998-10-24',1,'上海');

Query OK, 1 row affected (0.02 sec)

mysql> ^C

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('103',2,'王五','男','1999-01-20',1,'北京');

Query OK, 1 row affected (0.00 sec)

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('104',2,'王五','女','1998-09-20',1,'北京');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_student(stud_no,major_id,stud_name,stud_sex,stud_birthDate,stud_isMember,stud_address)values('105',3,'冯雷','男','1997-10-24',1,'武汉');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_score values('101','120011','80');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('101','120012','80');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_score values('101','120013','90');

Query OK, 1 row affected (0.00 sec)

mysql> insert into xsgl_score values('102','120011','85');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('102','120012','79');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('102','120013','90');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('103','120011','85');

Query OK, 1 row affected (0.00 sec)

mysql> insert into xsgl_score values('103','120012','70');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('103','120013','96');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('104','120011','85');

Query OK, 1 row affected (0.01 sec)

mysql> insert into xsgl_score values('104','120012','50');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('104','120013','96');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('105','120011','100');

Query OK, 1 row affected (0.02 sec)

mysql> insert into xsgl_score values('105','120012','100');

Query OK, 1 row affected (0.00 sec)

mysql> insert into xsgl_score values('105','120013','100');

Query OK, 1 row affected (0.01 sec)