作业1.1.5

作业1.1.5"/>

作业1.1.5

#创建数据库stusys

CREATE DATABASE stusys;

#创建表student

use stusys;

create table student

(

sno char(6) NOT NULL PRIMARY KEY COMMENT '学号',

sname char(8) NOT NULL COMMENT '姓名' ,

ssex char(2) NOT NULL DEFAULT '男' COMMENT '性别',

sbirthday date NOT NULL COMMENT '出生日期',

speciality char(12) NULL COMMENT '专业',

tc tinyint NULL COMMENT '总学分'

);

#创建表course

CREATE TABLE course

(

cno char(4) NOT NULL PRIMARY KEY COMMENT '课程号',

cname char(16) NOT NULL COMMENT '课程名',

credit tinyint NULL COMMENT '学分'

);

/*创建score表*/

CREATE TABLE score

(

sno char (6) NOT NULL COMMENT '学号',

cno char(4) NOT NULL COMMENT '课程号',

grade tinyint NULL COMMENT '成绩',

PRIMARY KEY(sno,cno)

);

/*创建teacher表*/

CREATE TABLE teacher

(

tno char (6) NOT NULL PRIMARY KEY COMMENT '教师编号',

tname char(8) NOT NULL COMMENT '姓名',

tsex char (2) NOT NULL DEFAULT '男' COMMENT '性别',

tbirthday date NOT NULL COMMENT '出生日期',

title char (12) NULL COMMENT '职称',

school char (12) NULL COMMENT '学院'

);

/*创建 lecture表*/

CREATE TABLE lecture

(

tno char(6) NOT NULL COMMENT '教师编号',

cno char(4) NOT NULL COMMENT '课程号',

location char(10) NULL COMMENT '上课地点',

PRIMARY KEY(tno,cno)

);

/*插入数据到student表*/

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);

/*插入数据到course表*/

INSERT INTO course

VALUES

('1004','数据库系统',4),

('1017','操作系统',3),

('4002','数字电路',3),

('8001','高等数学',4),

('1201','英语',4);

/*插入数据到score表*/

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);

/*插入数据到teacher表*/

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','刘颖','女','1976-12-15','副教授','外国语学院');

/*插入数据到lecture表*/

INSERT INTO lecture

VALUES

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

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

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

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

#课本P77

/*创建stuexpm数据库*/

CREATE DATABASE stuexpm;

/*创建StudentInfo表*/

USE stuexpm;

CREATE TABLE StudentInfo

(

StudentID varchar(6) NOT NULL PRIMARY KEY COMMENT '学号',

Name varchar(8) NOT NULL COMMENT '姓名',

Sex varchar(2) NOT NULL DEFAULT '男' COMMENT '性别',

Birthday date NOT NULL COMMENT '出生日期',

Speciality varchar(12) NULL COMMENT '专业',

Address varchar(20) NULL COMMENT '家庭地址'

);

/*创建CourseInfo表*/

CREATE TABLE CourseInfo

(

CourseID varchar(4) NOT NULL PRIMARY KEY COMMENT '课程号',

CourseName varchar(16) NOT NULL COMMENT '课程名',

Credit tinyint NULL COMMENT '学分'

);

/*创建ScoreInfo表*/

CREATE TABLE ScoreInfo

(

StudentID varchar(6) NOT NULL COMMENT '学号',

CourseID varchar(4) NOT NULL COMMENT '课程号',

Grade tinyint NULL COMMENT '成绩',

PRIMARY KEY(StudentID, CourseID)

);

/*创建TeacherInfo表*/

CREATE TABLE TeacherInfo

(

TeacherID varchar(6) NOT NULL PRIMARY KEY COMMENT '教师编号',

TeacherName varchar(8) NOT NULL COMMENT '姓名',

TeacherSex varchar(2) NOT NULL DEFAULT '男' COMMENT '性别',

TeacherBirthday date NOT NULL COMMENT '出生日期',

School varchar(12) NULL COMMENT '学院',

Address varchar(20) NULL COMMENT '地址'

);

/*插入数据到StudentInfo表*/

INSERT INTO StudentInfo

VALUES

('181001','成志强','男','19980817','计算机','北京市海淀区'),

('181002','孙红梅','女','19971123','计算机','成都市锦江区'),

('181003','朱丽','女','19980219','计算机','北京市海淀区'),

('184001','王智勇','男','19971205','电子信息工程',NULL),

('184002','周潞潞','男','19980224','电子信息工程','上海市浦东区'),

('184004','郑永波','女','19970919','电子信息工程','上海市浦东区');

/*插入数据到CourseInfo表*/

INSERT INTO CourseInfo

VALUES

('1004','数据库系统',4),

('1025','物联网技术',3),

('4002','数字电路',3),

('8001','高等数学',4),

('1201','英语',4);

/*插入数据到ScoreInfo表*/

INSERT INTO ScoreInfo

VALUES

('181001','1004',95),

('181002','1004',85),

('181003','1004',91),

('184001','4002',93),

('184002','4002',76),

('184004','4002',88),

('181001','8001',94),

('181002','8001',89),

('181003','8001',86),

('184001','8001',85),

('184002','8001',NULL),

('184004','8001',94),

('181001','1201',92),

('181002','1201',78),

('181003','1201',94),

('184001','1201',85),

('184002','1201',79),

('184004','1201',94);

/*插入数据到TeacherInfo表*/

INSERT INTO TeacherInfo

VALUES

('100005','李慧强','男','19680925','计算机学院','北京市海淀区'),

('100024','刘松','男','19760217','计算机学院','北京市海淀区'),

('400021','陈霞飞','女','19751207','通信学院','上海市黄浦区'),

('800004','刘泉明','男','19780816','数学学院','广州市越秀区'),

('120007','张莉','女','19820321','外国语学院','成都市锦江区');