以某公司的銷售量爲例
創建初始數據:
select * into Mytable from(
select
'上海' as 地區,20 as [2010],30 as[2011],40 as [2012],50 as[2013]
union all
select
'天津' as 地區,90 as [2010],10 as[2011],31 as [2012],50 as[2013]
union all
select
'北京' as 地區,60 as [2010],60 as[2011],42 as [2012],50 as[2013]) tb
地區 2010 2011 2012 2013---- ----------- ----------- ----------- -----------
上海 20 30 40 50
天津 90 10 31 50
北京 60 60 42 50
select 2010 as 年份
,avg(case 地區 when '上海' then [2010] end) as 上海
,avg(case 地區 when '天津' then [2010] end) as 天津
,min(case 地區 when '北京' then [2010] end) as 北京
from Mytable
union all
select 2011 as 年份
,max(case 地區 when '上海' then [2011] end) as 上海
,max(case 地區 when '天津' then [2011] end) as 天津
,max(case 地區 when '北京' then [2011] end) as 北京
from Mytable
union all
select 2012 as 年份
,max(case 地區 when '上海' then [2012] end) as 上海
,max(case 地區 when '天津' then [2012] end) as 天津
,max(case 地區 when '北京' then [2012] end) as 北京
from Mytable
union all
select 2013 as 年份
,max(case 地區 when '上海' then [2013] end) as 上海
,max(case 地區 when '天津' then [2013] end) as 天津
,max(case 地區 when '北京' then [2013] end) as 北京
from Mytable
年份 上海 天津 北京----------- ----------- ----------- -----------
2010 20 90 60
2011 30 10 60
2012 40 31 42
2013 50 50 50