急求SQL语句，一有答案，立即给分，在线等待

SQL> SELECT * FROM TEST;ID NA PA
-- -- --
1  E
2  B  1
3  D  4
4  A
5  C  4SQL> SELECT RPAD(' ',(LEVEL-1)*3)||NAME
  2  FROM TEST
  3  CONNECT BY PRIOR ID=PARENTID
  4  START WITH ID IN (SELECT ID FROM TEST WHERE PARENTID IS NULL);RPAD('',(LEVEL-1)*3)||NAME
---------------------------------------------------------------------E
   B
A
   D
   C