--创建临时表  
create table #Man(  
id int identity(1,1),  
tbName nvarchar(50)  
)   --往临时表插入数据  
insert into #Man  
select name from sys.tables  
where create_date\<='2018-03-10 15:36:35.687' and name not in ('DeviceNetState','EphInfo','FilterStatistic','UserInfo','AlmInfo')  
order by create_date desc
 
--确认  
select * from #Man
 
commit  
rollback  
begin tran
   

--定义循环变量  
declare @i int  
set @i = 1  
declare @count int  
select @count = count(*) from #Man
 
--print @count
 
declare @str nvarchar(500)  
declare @tb nvarchar(50)
 
while(@i \<= @count) begin
 
select @tb = isnull(tbName, '') from #Man where id = @i  
--循环执行语句  
set @str = 'drop table [' + @tb+ ']'  
exec(@str)
 
set @str = ''  
set @i = @i + 1  
end