SQL Server 查詢樹結構的表，查詢一個節點的所有子節點

1 ;with cte as 
2 (
3     select * from Associator where No = 'mc1007'
4     union all
5     select air.* from Associator as air inner join cte on air.ParentNo = cte.No
6 )
7 select * from cte;