declare @sql varchar(2000)
declare @tbl varchar(20)
declare @value1 varchar(20)
set @tbl=表名
set @value1=值
set @sql='select * from '+@tbl+' where field1='''+@value1+''''
exec(@sql)
declare @tbl varchar(20)
declare @value1 varchar(20)
set @tbl=表名
set @value1=值
set @sql='select * from '+@tbl+' where field1='''+@value1+''''
exec(@sql)
indust 200301 200302 200303
---------- ---------- ---------- ----------
a 111 222 333
b 444 555 666
c 777 888 999
d 789 910 012
--要求得到结果
日期 a b c d
------ ---- ---- ---- ----
200301 111 444 777 789
200302 222 555 888 910
200303 333 666 999 012
--*/--创建测试表
create table test(indust varchar(10)
,[200301] varchar(10)
,[200302] varchar(10)
,[200303] varchar(10))
insert test select 'a','111','222','333'
union all select 'b','444','555','666'
union all select 'c','777','888','999'
union all select 'd','789','910','012'
go--数据处理
declare @f1 varchar(8000),@f2 varchar(8000),@f3 varchar(8000)
select @f1='',@f2='',@f3=''
select @f1=@f1+',['+indust+']='''+[200301]+''''
,@f2=@f2+','''+[200302]+''''
,@f3=@f3+','''+[200303]+''''
from test
exec('select 日期=''200301'''+@f1
+' union all select ''200302'''+@f2
+' union all select ''200303'''+@f3)
go
--删除测试表
select * from test
drop table test/*--测试结果
日期 a b c d
------ ---- ---- ---- ----
200301 111 444 777 789
200302 222 555 888 910
200303 333 666 999 012
--*/
exec('select getdate() 今日')exec sp_executesql N'select getdate() 今日'http://www.algonet.se/~sommar/dynamic_sql.html