初级问题 procedure内调用dbms_output出错

camham

create or replace procedure myproc2
as
n1 number;
n2 number;
n3 number;
begin
  n3:=1;
  while n3<5 loop
    select c1,c2 into n1,n2 from t2 where (c1=n3);
    dbms_output.putline(to_char(n1)||','||to_char(n2));
    n3:=n3+1;
  end loop;
commit;
end;

SQL> show error;
PROCEDURE MYPROC2 出现错误:

LINE/COL ERROR
-------- ----------------------------------
10/1     PL/SQL: Statement ignored
10/13    PLS-00302: 必须声明 'PUTLINE' 组件

doni

put_line

dingning239

明显