Oracle中降序循环的方法？哪位高手知道到

Oracle中降序循环的方法？？？谁知道到
Oracle中用for 循环降序输出的方法????????????

[解决办法]

SQL code

begin    for i in reverse  1..10    loop        dbms_output.put_line(i);    end loop;end;/SQL> / 10987654321 PL/SQL procedure successfully completed
[解决办法]
SQL code
begin  for v_index in reverse 1..10 loop    dbms_output.put_line(to_char(v_index));  end loop;end;