无标题1.sql

这是一个C#写的QQ聊天工具,大家可以看看怎么样,发表一个意见

use sq
go

--增加注册
create procedure Registration @uid int output, @name varchar(16),@password varchar(16),@picture int
as
insert   into   [user](name,password,picture)   values  (@name,@password,@picture)
select   @uid   =   @@identity
go

declare @uid int
exec Registration @uid output,'Zhangsan','123456',1 
print @uid
go

--触发器
create trigger userUpdate
on user
for Update
as
if Update(BirthDate)
begin
if(select DATEDIFF(year, BirthDate, getdate())from inserted)<18
BEGIN
RAISERROR('。。。。小子....',16,1)
ROLLBACK 
END
end