自动备份

declare @filedir varchar(200),@dir varchar(200)
declare @dbname varchar(50),@bakname varchar(50),@sql varchar(4000)

select @filedir=filename from sysfiles
set @dir=''
while charindex('/',@filedir)<>0
begin
  set @dir=@dir+left(@filedir,charindex('/',@filedir))
  set @filedir=substring(@filedir,charindex('/',@filedir)+1,len(@filedir)-charindex('/',@filedir))
end
set @bakname='bak'+cast(datepart(weekday,getdate())-1 as varchar(1))
-----指定数据库
set @dbname='dbname'
set@sql='BACKUP DATABASE ['+@dbname+'] TO  DISK =N'''+'e:/sqlbak/'+@bakname+''' WITH  INIT ,  NOUNLOAD ,  NOSKIP , STATS = 10,  NOFORMAT'
--备份文件到"e:/sqlbak/"目录下
exec(@sql)

 

--实质是：

backup database pubs to disk =  'e:/ddk' with

init ,nounload,noskip,stats=10,noformat