--查询ID = '009'的所有父节点 ' ;WITH T AS ( SELECT ID , PID , NAME FROM TB WHERE ID = @ID UNION ALL SELECT A.ID , A.PID , A.NAME FROM TB AS A JOIN T AS B ON A.ID = B.PID ) SELECT * FROM T ORDER BY ID /* ID PID NAME ---- ---- ---------- 001 NULL 广东省 003 001 深…
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined between two nodes v and w as the lowest node in T that has both v and w…
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined between two nodes v and w as the lowest node in T that has…
-- 查找所有父节点with tab as( select Type_Id,ParentId,Type_Name from Sys_ParamType_V2_0 where Type_Id=316--子节点 union all select b.Type_Id,b.ParentId,b.Type_Name from tab a,--子节点数据集 Sys_ParamType_V2_0 b --父节点数据集 where a.ParentId=b.Type_Id --子节点数据集.paren…