手工msSql数据库差异备份备份原理.docx

出自--完整备份Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_Fullbak--差异备份Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_DiffbakWith Differential--日志备份，默认截断日志Backup Log NorthwindCSTo disk=G:\Backup\NorthwindCS_Logbak--日志备份，不截断日志Backup Log NorthwindCSTo disk=G:\Backup\NorthwindCS_LogbakWith No_Truncate--截断日志不保留Backup Log NorthwindCSWith No_Log--或者Backup Log NorthwindCSWith Truncate_Only--截断之后日志文件不会变小--有必要可以进行收缩--文件备份Exec Sp_Helpdb NorthwindCS --查看数据文件Backup Database NorthwindCSFile=NorthwindCS?? --数据文件的逻辑名To disk=G:\Backup\NorthwindCS_Filebak--文件组备份Exec Sp_Helpdb NorthwindCS --查看数据文件Backup Database NorthwindCSFileGroup=Primary?? --数据文件的逻辑名To disk=G:\Backup\NorthwindCS_FileGroupbakWith init--分割备份到多个目标--恢复的时候不允许丢失任何一个目标Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_Full_1.bak???? ,disk=G:\Backup\NorthwindCS_Full_2.bak--镜像备份--每个目标都是相同的Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_Mirror_1.bakMirror To disk=G:\Backup\NorthwindCS_Mirror_2.bakWith Format --第一次做镜像备份的时候格式化目标--镜像备份到本地和远程Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_Mirror_1.bakMirror To disk=\\00\Backup\NorthwindCS_Mirror_2.bakWith Format--每天生成一个备份文件Declare @Path Nvarchar(2000)Set @Path =G:\Backup\NorthwindCS_Full_+Convert(Nvarchar,Getdate(),112)+.bakBackup Database NorthwindCSTo /Article/html/3/7/2008/mailtdisk=@Path--从NoRecovery或者--Standby模式恢复数据库为可用Restore Database NorthwindCS_BakWith Recovery--查看目标备份中的备份集Restore HeaderOnlyFrom Disk =G:\Backup\NorthwindCS_Fullbak--查看目标备份的第一个备份集的信息Restore FileListOnlyFrom Disk =G:\Backup\NorthwindCS_Full2.bakWith File=1--查看目标备份的卷标Restore LabelOnlyFrom Disk =G:\Backup\NorthwindCS_Full2.bak--备份设置密码保护备份Backup Database NorthwindCSTo disk=G:\Backup\NorthwindCS_FullbakWith Password = 123,initRestore Database NorthwindCSFrom disk=G:\Backup\NorthwindCS_FullbakWith Password = 123自动备份：在SQL Server 2005数据库中实现自动备份的具体步骤: 1、打开SQL Server