delimiter $$
create procedure compa_em(in n1 int,in n2 int,out z int)
begin
if n1>n2 then set z =n1;
elseif n1<n2 then set z=n2;
else set z =n1;
end if ;
end $$
delimiter ;
call compa_em(3,6,@R);
select @R;
delimiter $$
create procedure compa_em(in n1 int,in n2 int,out z int)
begin
if n1>n2 then set z =n1;
elseif n1<n2 then set z=n2;
else set z =n1;
end if ;
end $$
delimiter ;
call compa_em(3,6,@R);
select @R;