创建用到的表的SQL
CREATE TABLE [dbo].[emp_pay](
[employeeID] [int] NOT NULL,
[base_pay] [money] NOT NULL,
[commission] [decimal](2, 2) NOT NULL
) ON [PRIMARY]
生成的表，及表中的数据：
--方法一
select top 1 * from
(
SELECT TOP 2 *
FROM [dbo].[emp_pay]
WHERE base_pay = 500
order by employeeID ASC) as a --注意：派生表后面一定要指定别名．
order by a.employeeID DESC
--方法二
select IDENTITY(int,1,1) ID,* INTO #Temp from [dbo].[emp_pay] where base_pay = 500
select * from #Temp where ID =2
drop Table #Temp
--方法三
set rowcount 2
SELECT * into #t from [dbo].[emp_pay] where base_pay = 500
set rowcount 1
delete from #t
select * from #t
set rowcount 0
drop table #t