declare @name varchar(100)

 declare @disk varchar(100)

 declare @temp varchar(100)

 set @temp=Replace(Replace(Replace(Replace(Convert(varchar(30),GETDATE(),21),':',''),' ',''),'-',''),'.','')

 set @name=N'DEMO'+@temp+'-完整 数据库 备份'

 set @disk=N'F:\Backup\[full]DEMO'+@temp+'.bak'

 BACKUP DATABASE [CMDI] TO

  DISK = @disk

  WITH NOFORMAT, NOINIT,  NAME = @name,

  SKIP, NOREWIND, NOUNLOAD,  STATS = 10

 declare @name1 varchar(100)

 declare @disk1 varchar(100)

 declare @temp1 varchar(100)

 set @name1=N'DEMO'+@temp+'-差异 数据库 备份'

 set @disk1=N'F:\Backup\[diff]DEMO'+@temp+'.bak'

 BACKUP DATABASE [CMDI] TO

  DISK = @disk1

  WITH  DIFFERENTIAL , NOFORMAT, NOINIT,  NAME = @name1,

  SKIP, NOREWIND, NOUNLOAD,  STATS = 10

 GO