T-SQL_4 增删改查语句

/*插入语句*/
use MyTestsDB
go
--1, 添加标识列
if exists(select name from sysobjects where name = 'newTable')
drop table newTable
select pID, pName, identity(int, 1, 1) as pNo
into newTable
from TB_person
go
--2, 插入一条记录
insert into TB_person(pID, pName)
values(610322198602239777,'达熊')
insert into TB_stuInfo(stuNO, stuName, stuAge, stuID)
values(2009106801, '宁波', 16, 610322198602239777)
--3, 插入多条记录
insert into TB_person
select 610322198602239775,'GOF' union
select 610322198602239771,'Lee' union
select 610322198602239773,'小马哥'

use MyTestsDB
go

/*删除数据*/
--已被引用过的数据行,删除时触发REFERENCE约束冲突
--delete from TB_person
--where pID = 610322198602239777
delete from TB_person
where pID = 610322198602239775
/*清空表*/
Truncate table TB_stuInfo

/*修改语句*/
update TB_stuInfo set stuAge = 18
where stuAge < 18

select stuName as 学生姓名, 学生年龄 = stuAge, stuAddress as 学生住址
from TB_stuInfo
where stuAge > 18
group by stuAge
having COUNT(stuAge)>1