--创建临时表
```sql
create table #Man(
```
id int identity(1,1),
tbName nvarchar(50)
)   --往临时表插入数据
```sql
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
```sql
select * from #Man

```
commit
rollback
begin tran


--定义循环变量
```sql
declare @i int
set @i = 1
declare @count int
select @count = count(*) from #Man

```
--print @count

```sql
declare @str nvarchar(500)
declare @tb nvarchar(50)

```
while(@i <= @count) begin

```sql
select @tb = isnull(tbName, '') from #Man where id = @i
```
--循环执行语句
```sql
set @str = 'drop table [' + @tb+ ']'
```
exec(@str)

```sql
set @str = ''
set @i = @i + 1
```
end