​​增​​

单条​​字符串要加单引号​​

insert into 表名(变量名) values ('值')

多条

insert ProductInfos(ProNo,ProName,ProCount,TypeId) values(111,'小白',123,3)

​​删​​

delete from Test where Id=3

​​查​​

select UserId,UserName,Age from UserInfos

​​改​​

update Test set MName='bb' where Id=3