sql递归查询部门数据

1  with cte as 
2  ( 
3  select a.DepartCode,a.DepartName,a.ParentDepartCode from tbDeparts a where ParentDepartCode=\'2\' 
4  union all  
5  select k.DepartCode,k.DepartName,k.ParentDepartCode  from tbDeparts k inner join cte c 
6  on c.DepartCode = k.ParentDepartCode 
7  )
8  select * from cte