MySQL存储过程实例

drop table if exists t1;
create table t1
(
id int not null
);

insert into t1 values(1), (2), (3);

delimiter //

create procedure myfun(in para int)
begin
select * from t1 where id = para;
end;
//

delimiter ;

set @a = 1;
call myfun(@a);
call myfun(2);