sql;"> ----------sql server 递归查询---------- --查找上级所有节点 with uCte as ( select a.id,a.title,a.pid from tree_table a where id = 3--当前节点 union all select k.id,k.title,k.pid from tree_table k inner join uCte c on c.pid = k.id ) select * from uCte; --查找上级所有节点 with dCte as ( select a.id,k.pid from tree_table k inner join dCte c on c.id = k.pid ) select * from dCte;