chill_notes/实践积累/个人知识库_数据库_循环批量删除数据库表.md

--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