SqlServer的递归查询 也就是 with cte查询
表结构
表数据
SQL如下
with lmenu as ( select name,id,1 as lv,cast(Name as nvarchar(max)) as name1, cast(ROW_NUMBER()over(order by getdate()) as nvarchar(10)) as orderid from Table2 where Table2.ParentId=0 Union all select a.Name ,a.ID,(b.lv+1) as lv,cast( REPLICATE(‘ ‘,b.lv*2)+ a.name as nvarchar(max)) as name1, cast( ( b.orderid+‘.‘+ cast(ROW_NUMBER()over(Order by GETDATE() ) as nvarchar(5))) as nvarchar(10)) as orderid from Table2 as a inner join lmenu as b on a.ParentId=b.id ) select * from lmenu order by orderid ;
查询结果:
郑重声明:本站内容如果来自互联网及其他传播媒体,其版权均属原媒体及文章作者所有。转载目的在于传递更多信息及用于网络分享,并不代表本站赞同其观点和对其真实性负责,也不构成任何其他建议。