首先建一个表插入一些测试数据
create table UserInfo
(
UserInfoID int not null identity(1,1) primary key,
User_No int null,
User_Names nvarchar(16) null
)
insert into UserInfo(User_No,User_Names)
select '104','名称三' union all
select '103','名称二' union all
select'108','名称七' union all
select '105','名称四' union all
select'106','名称五' union all
select '102','名称一' union all
select '107','名称六' union all
select'109' ,'名称八'
insert into UserInfo(User_Names)
select '名称九' union all
select'名称十'
select *from UserInfo
下面先直接排序看下效果
select UserInfoID,User_No,User_Names
from UserInfo
order by User_NO asc
可以看到指定排序的列,其值为null的排在了最前面
下面就是解决办法
select UserInfoID,User_No,User_Names
from UserInfo
order by case when User_NO is null then 1 else 0 end asc,User_NO asc以上就是解决办法了,既把指定排序列的值为null的排在最后了,也可以按照指定的值进行排序,是不是很简单