一、查詢指定記錄的父節點或子節點
1、查詢父類以上所有數據
select * from plt_org_info start with id =47 connect by prior id = ParentsId
2、查詢父類以下所有節點數據
select * from plt_org_info start with id =47 connect by prior ParentsId = id
二、查詢所有葉子的父節點
Select DISTINCT * From VIEW_EJ_ZZJG START WITH JGLX='0207'
connect by prior FJGID=ZZJGID
ORDER BY PXH
connect by prior FJGID=ZZJGID
ORDER BY PXH