ztree学习

http://www.ztree.me/v3/demo.php#_114

http://blog.sina.com.cn/s/blog_829c226e010117rj.html

SELECT T.*
  FROM SYS_DM T
 START WITH (T.DMBM = 'CMO_OFFICE_JOB')
 CONNECT BY PRIOR T.ID = T.PID