SQL2005 递归查询示例，非常方便

--  SQL2005 递归查询示例，非常方便
--  Author:BOBBY
WITH  tree  AS  
( SELECT      F_DEPT_ID,  CAST (F_DEPT_NAME  AS   varchar ( MAX ))  AS  F_DEPT_NAME
     FROM          dbo.T_ACCOUNTS_DEPT_INFO  AS  A
     WHERE      (F_PARENT_DEPTID  =   0 )
UNION   ALL
SELECT      A.F_DEPT_ID, B.F_DEPT_NAME  +   ' / '   +  A.F_DEPT_NAME  AS  F_DEPT_NAME
FROM          dbo.T_ACCOUNTS_DEPT_INFO  AS  A  CROSS   JOIN
                     tree  AS  B
WHERE      (A.F_PARENT_DEPTID  =  B.F_DEPT_ID))
     SELECT       TOP  ( 100 )  PERCENT  F_DEPT_ID, F_DEPT_NAME
      FROM          tree  AS  tree_1
      ORDER   BY  F_DEPT_NAME