create database TestSchool
on primary
(
name='TestSchool',
filename='F:\SQL Server\TestSchool.mdf',
size=10mb,
filegrowth=10,
maxsize=100mb
)
log on
(
name='TestSchool_log',
filename='F:\SQL Server\TestSchool_log.ldf'
)

create table TblStudent
(
studentId int identity(1,1) primary key,
tScoreId int not null,
sName nvarchar(50) not null,
sAge int not null,
sNo numeric(18,0),--身份证号，十八位数字，小数位0
sEmail varchar(50),
sGender bit default(1),
sBirthday datetime
)

select * from TblStudent
truncate table TblStudent

insert into TblStudent
select 1,'刘备',20,123456789012345678,'123@163.com',1,'1987-5-6' union
select 1,'关羽',19,123456789012345671,'1sfdsf3@163.com',1,'1988-8-6' union
select 1,'张飞',18,123456789012345672,'12sfsd3@163.com',1,'1989-5-19' union
select 4,'曹操',22,123456789012345673,'12sf3@163.com',1,'1985-12-6' union
select 4,'夏侯惇',22,123456789012345674,'1ff23@163.com',1,'1985-3-6' union
select 4,'华佗',50,12345678901234565,'12ff3@163.com',1,'1957-1-16' union
select 4,'甄姬',18,12345678901234565,'12f3@163.com',0,'1989-8-8'

create table TblScore
(
tScoreId int identity(1,1) primary key,
studentId int not null, --学生id，外键
tEnglish float,
tMath float
)

select * from TblScore
truncate table TblScore

insert into TblScore
select 1,90,97 union
select 2,90,70 union
select 3,59,100 union
select 4,100,80 union
select 5,60,96 union
select 6,0,100 union
select 7,80,60

create table TblTeacher
(
tTId int identity(1,1) primary key,
tTName nvarchar(50) not null,
tTGender bit default(1),
tTAge int,
tTSalary money,
tTBirthday datetime
)

select * from TblTeacher

insert into TblTeacher
select '商炳奇',1,22,10000,'1991-10-30' union
select '刘祎',0,22,10000,'1991-11-06' union
select '耿宇丹',0,21,10000,'1992-12-30' union
select '张少丹',0,22,10000,'1991-6-6' union
select '王静静',0,22,10000,'1991-6-6' union
select '段琳琳',0,22,10000,'1991-6-6' union
select '杨巧巧',0,21,10000,'1991-6-6'