发布网友 发布时间:2022-04-10 07:05
共2个回答
懂视网 时间:2022-04-10 11:26
as ( select * from ty_Dictionary where id =21 union all select t.* from ty_Dictionary t,maco m where t.ParentID=m.ID ) select distinct * from maco order by id desc
自下向上查询,查询出自身以及所有的直系祖先:
--自下往上搜索 ;with maco as ( select * from ty_Dictionary where id=23 union all select t.* from ty_Dictionary t,maco m where t.ID=m.ParentID ) select * from maco order by id
删除自身以及所有的子孙数据:
;with maco as ( select ID,ParentID from ty_Dictionary where ID=21 union all select t.ID,t.ParentID from ty_Dictionary t,maco m where t.ParentID=m.ID ) delete from ty_Dictionary where ID in( select ID from maco group by ID)
sqlserver查询父子级关系
标签:order desc ict dict group by parent serve style mac
热心网友 时间:2022-04-10 08:34
这您可以用两种方式来实现,