数据库-最开始的数据库建立

1.数据建立

Use master
go
if db_id('MySchool') is not null
    Drop Database MySchool
Create Database MySchool
go
Use MySchool
go
create table Student
(
    S# varchar(5) primary key,
    StuName nvarchar(10) not null,
    StuAge int,
    StuSex nchar(1) not null
)
create table Teacher
(
    T#  varchar(3) primary key, 
    Tname varchar(10) not null
)
create table Course
(
    C# varchar(3) primary key,
    Cname nvarchar(20) not null, 
    T# varchar(3) not null foreign key references Teacher(T#)
)
create table SC
(
    S# varchar(5) not null foreign key references Student(S#),
    C# varchar(3) not null foreign key references Course(C#),
    Score float
)
go
insert into Student
select '1000','张无忌',18,'男' union
select '1001','周芷若',19,'女' union
select '1002','杨过',19,'男' union
select '1003','赵敏',18,'女' union
select '1004','小龙女',17,'女' union
select '1005','张三丰',18,'男' union
select '1006','令狐冲',19,'男' union
select '1007','任盈盈',20,'女' union
select '1008','岳灵珊',19,'女' union
select '1009','韦小宝',18,'男' union
select '1010','康敏',17,'女' union
select '1011','萧峰',19,'男' union
select '1012','黄蓉',18,'女' union
select '1013','郭靖',19,'男' union
select '1014','周伯通',19,'男' union
select '1015','瑛姑',20,'女' union
select '1016','李秋水',21,'女' union
select '1017','黄药师',18,'男' union
select '1018','李莫愁',18,'女' union
select '1019','冯默风',17,'男' union
select '1020','王重阳',17,'男' union
select '1021','郭襄',18,'女' 
go

insert  into Teacher
select '001','姚明' union
select '002','叶平' union
select '003','叶开' union
select '004','孟星魂' union
select '005','独孤求败' union
select '006','裘千仞' union
select '007','裘千尺' union
select '008','赵志敬' union
select '009','阿紫' union
select '010','郭芙蓉' union
select '011','佟湘玉' union
select '012','白展堂' union
select '013','吕轻侯' union
select '014','李大嘴' union
select '015','花无缺' union
select '016','金不换' union
select '017','乔丹'
go

insert into Course
select '001','企业管理','002' union
select '002','马克思','008' union
select '003','UML','006' union
select '004','数据库','007' union
select '005','逻辑电路','006' union
select '006','英语','003' union
select '007','电子电路','005' union
select '008','泽东思想概论','004' union
select '009','西方哲学史','012' union
select '010','线性代数','017' union
select '011','计算机基础','013' union
select '012','AUTO CAD制图','015' union
select '013','平面设计','011' union
select '014','Flash动漫','001' union
select '015','Java开发','009' union
select '016','C#基础','002' union
select '017','Oracl数据库原理','010'
go

insert into SC
select '1001','003',90 union
select '1001','002',87 union
select '1001','001',96 union
select '1001','010',85 union
select '1002','003',70 union
select '1002','002',87 union
select '1002','001',42 union
select '1002','010',65 union
select '1003','006',78 union
select '1003','003',70 union
select '1003','005',70 union
select '1003','001',32 union
select '1003','010',85 union
select '1003','011',21 union
select '1004','007',90 union
select '1004','002',87 union
select '1005','001',23 union
select '1006','015',85 union
select '1006','006',46 union
select '1006','003',59 union
select '1006','004',70 union
select '1006','001',99 union
select '1007','011',85 union
select '1007','006',84 union
select '1007','003',72 union
select '1007','002',87 union
select '1008','001',94 union
select '1008','012',85 union
select '1008','006',32 union
select '1009','003',90 union
select '1009','002',82 union
select '1009','001',96 union
select '1009','010',82 union
select '1009','008',92 union
select '1010','003',90 union
select '1010','002',87 union
select '1010','001',96 union

select '1011','009',24 union
select '1011','009',25 union

select '1012','003',30 union
select '1013','002',37 union
select '1013','001',16 union
select '1013','007',55 union
select '1013','006',42 union
select '1013','012',34 union
select '1000','004',16 union
select '1002','004',55 union
select '1004','004',42 union
select '1008','004',34 union
select '1013','016',86 union
select '1013','016',44 union
select '1000','014',75 union
select '1002','016',100 union
select '1004','001',83 union
select '1008','013',97
go