條件：部門ID
結果：傳回所有該部門下的子部門集合
with hgo as( select *,0 as rank from TDEPT t where t.cid='"+id+"' union all select h.*,h1.rank+1 from TDEPT h join hgo h1 on h.cpid=h1.cid ) select * from hgo"
條件：部門ID
結果：傳回所有該部門下的子部門集合
with hgo as( select *,0 as rank from TDEPT t where t.cid='"+id+"' union all select h.*,h1.rank+1 from TDEPT h join hgo h1 on h.cpid=h1.cid ) select * from hgo"
![【MySQL資料庫】資料庫索引事務1.索引2.事務[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)