sql 存储过程实例----Insert

简单的存储过程如下：

create proc insert_demo
@name varchar(50),
@falg bit output
as
begin
set nocount on
begin tran
insert into  aa (Name) values (@name)
if @@error<>0
begin
set @falg=0;
rollback
end
else
begin
set @falg=1
commit
end
set nocount off
end