使用sql语句实现递归

上图为sys_org表的数据,该表为一颗组织树的数据，现用sql语句递归的语法吧业务部的下属子节点找出来

declare @tagName varchar(20)

set @tagName='业务部'

;with

ceshi as

(

select * from sys_org where name=@tagName

union all

select t.* from ceshi j join sys_org t on j.id=t.parentid

)

SELECT * from ceshi

结果如下图所示