--------------------完整备份默认追加到现有的文件--------------- 
 backup database NorthWind 
  
 To disk='d:\backup\NorthWindCS-Full-2010-11-23.bak' 
  
 --------完整备份，覆盖现有的文件 
 Backup database NorthWind 
 To disk='d:\backup\NorthWindCS-Full-2010-11-23.bak' 
 With init---覆盖现有文件代码 
  
 --------差异备份（上次一完整备份以来改变的数据页） 
 backup database NorthWind 
 To Disk='d:\backup\NorthWindCS-Full-2010-11-23.bak' 
  
 -----事物日志备份，会自动截断日志(默认会阶段日志) 
 backup log NorthWind 
 To Disk='d:\backup\NorthWindCS-log-2010-11-23' 
  
 -----事物日志备份，不截断日志(默认会阶段日志) 
 backup log NorthWind 
 To Disk='d:\backup\NorthWindCS-log-2010-11-23' 
 With No_Truncate 
  
 -----不备份直接阶段日志，在SQL SERVER2008中不再支持。 
 backup log NorthWind With No_Log 
 backup log NorthWind With Tuancate_only 
  
 -----SQL SERVER 2008 替代的截断日志方法 
 alter database NorthWind set Recovery Simple 
 exec sp_helpdb NorthWInd 
 use NorthWind  
 dbcc shrinkfile('NorthWind_log') 
 alter database NorthWind set Recovery Full 
  
 ----超大型数据库的文件和文件组备份 
 Exec sp_helpdb NorthWind 
 backup database NorthWind File='NorthWind_Current' 
 to disk='h:\backup\NorthwindCS_Full_2010031.bak' 
 backup database NorthWind FileGroup='Current' 
 to disk='h:\backup\NorthwindCS_FG_2010031.bak' 
  
 ---仅复制备份，不影响现有的备份序列 
 backup database NorthWind 
 To disk='h:\backup\NorthwindCS_Full_2010031.bak' 
 With Copy_only 
  
  
 --尾部日志备份,备份完成后数据库不再提供访问 
 use master 
 go 
 backup log NorthWind 
 to disk='h:\backup\Northwind-taillog-20101031.bak' 
 With NoRecovery 
  
 --回复数据库提供访问 
 Restore databse NorthWind with Recovery 
  
 --分割备份到多个目标文件 
 backup database NorthWind  
 to disk='h:\backup\Northwind-part1.bak', 
 disk='h:\backup\NorthwindCS-part2.bak' 
  
 --镜像备份，需要加入With Format 
 backup database NorthWind 
 to disk='h:\backup\NorthwindCS-Mirror1.bak' 
 Mirror to disk='h:\backup\NorthwindCS-Mirror2.bak'----Mirror镜像 
 With Format 
  
  
 --备份到远程服务器 
 --使用SQL SERVER 的服务启动账号访问远程共享可写文件夹 
 backup database Northwind 
 to disk='\\192.168.3.20\backup\nw-yourname.bak' 
  
 --备份到远程服务器,指定访问远程服务器的账号和密码 
 Exec sp_configure 
 Exec Sp_COnfigure 'show advanced options',1 
 Reconfigure with Overrid 
 Exec sp_configure 'xp_cmdshell',1 
 Reconfigure with override 
  
  
 Exec xp_cmdshell 
 'net use \\192.168.10.101' /user:administrator password' 
  
 backup database Northwind  
 to disk='\\192.168.10.101\backup\nw-fy.bak' 
  
 Exec sp_configure 'xp_cmdshell',0 
 Reconfigure with override 
  
  
 -------------------------------------- 
 --备份压缩 
 -------------------------------------- 
 Backup Database AdventureWorks 
 To disk='h:\backup\adv不压缩备份.bak' 
 --132MB  花费 7.789 秒(16.877 MB/秒)。 
  
 --备份到NTFS目录 
 Backup Database AdventureWorks 
 To disk='H:\backup\test\advNTFS压缩备份.bak' 
 --60MB     花费 11.871 秒(11.073 MB/秒)。 
  
 Backup Database AdventureWorks 
 To disk='h:\backup\adv压缩备份.bak' 
 With Compression 
 --132MB  花费 7.789 秒(16.877 MB/秒)。 
 --34MB    花费 3.7