<div class="codebody" id="code37353"> 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','1988-8-6' union select 1,'张飞',18,123456789012345672,'12sfsd3@163.com','1989-5-19' union select 4,'曹操',22,123456789012345673,'12sf3@163.com','1985-12-6' union select 4,'夏侯惇',123456789012345674,'1ff23@163.com','1985-3-6' union select 4,'华佗',50,12345678901234565,'12ff3@163.com','1957-1-16' union select 4,'甄姬','12f3@163.com','1989-8-8' create table Tblscore ( tscoreId int identity(1, 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 2,70 union select 3,59,100 union select 4,100,80 union select 5,60,96 union select 6,100 union select 7,80,60 create table TblTeacher ( tTId int identity(1, 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',10000,'1991-10-30' union select '刘祎','1991-11-06' union select '耿宇丹',21,'1992-12-30' union select '张少丹','1991-6-6' union select '王静静','1991-6-6' union select '段琳琳','1991-6-6' union select '杨巧巧','1991-6-6'