declare 
  -- Local variables here
  TYPE v_ar IS VARRAY(8) OF INTEGER;
  my_array v_ar := v_ar(1,2,3,4,5,6,7,8);
BEGIN 
        FOR i IN 1..my_array.COUNT LOOP
          dbms_output.put_line(my_array(i));
    END LOOP;
end;

输出日志应为：
1
2
3
4
5
6
7
8