sqlserver 获得树形表的所有父级
发布时间:2020-12-12 14:26:25 所属栏目:MsSql教程 来源:网络整理
导读:表结构: 存储过程: CREATE PROCEDURE pr_select_pid @id varchar(30)AS;with cte as(select * from grade0 where gradeid=@idunion allselect a.* from grade0 a join cte b on a.gradeid=b.gradepid)select * from cte 结果:
表结构: 存储过程: CREATE PROCEDURE pr_select_pid @id varchar(30) AS ;with cte as ( select * from grade0 where gradeid=@id union all select a.* from grade0 a join cte b on a.gradeid=b.gradepid ) select * from cte
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