Oracle PL/SQL-Tipps

DECLARE
   TYPE numarray IS
       TABLE OF VARCHAR2(2) INDEX BY BINARY_INTEGER;
   l_data numarray;
BEGIN
   FOR i IN 1..255 LOOP
       l_data(i) := chr(i);
   END LOOP;
   FOR i IN 1..l_data.count LOOP
       dbms_output.put_line(rpad(i, 3, ' ')
                            || ' '
                            || l_data(i));
   END LOOP;
END;
/