如何在sql 将查找出来的数据变成横向显示

2025-03-16 10:27:47
推荐回答(1个)
回答1:

您好,很高兴为您解答。


看几个实例。

select
  max(case name when '课桌式' then [count] else 0 end) as 课桌式,
  max(case name when '分组式' then [count] else 0 end) as 分组式,
....
from
   tb


create table test([name] varchar(10),[count] int)
go
insert test
select '课桌式', 100 union all
select '分组式', 360 union all
select '剧院式', 200 union all
select '董事会', 150 union all
select 'U型', 100 union all
select '宴会型', 150
 
select * from test
 
declare @sql varchar(max)
 
select @sql=isnull(@sql+',','')+' max(case when [name]='''+[name]+''' then [count] end) as '''+[name]+''''
from
(select [name] from test group by [name]) t
 
print @sql
exec('select '+@sql+' from test' )
 
drop table test
 
/*
(6 row(s) affected)
name       count
---------- -----------
课桌式        100
分组式        360
剧院式        200
董事会        150
U型         100
宴会型        150
 
(6 row(s) affected)
 
U型          董事会         分组式         剧院式         课桌式         宴会型
----------- ----------- ----------- ----------- ----------- -----------
100         150         360         200         100         150
 
(1 row(s) affected)
*/


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                                                                                                                             ~ O(∩_∩)O~

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