SQL Server语句备份、完整备份、差异备份、日志备份

--完整备份

Backup Database NorthwindCS
To disk=’G:\Backup\
NorthwindCS_Full_20070908.bak’

--差异备份

Backup Database NorthwindCS
To disk=’G:\Backup\
NorthwindCS_Diff_20070908.bak’

With Differential

--日志备份，默认截断日志

Backup Log NorthwindCS
To disk=’G:\Backup\
NorthwindCS_Log_20070908.bak’

--日志备份，不截断日志

Backup Log NorthwindCS
To disk=’G:\Backup\
NorthwindCS_Log_20070908.bak’
With No_Truncate

--截断日志不保留

Backup Log NorthwindCS

With No_Log

--或者

Backup Log NorthwindCS
With 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 NorthwindCS
File=’NorthwindCS’ --数据文件的逻辑名
To disk=’G:\Backup\

NorthwindCS_File_20070908.bak’

--文件组备份

Exec Sp_Helpdb NorthwindCS --查看数据文件
Backup Database NorthwindCS
FileGroup=’Primary’ --数据文件的逻辑名
To disk=’G:\Backup\
NorthwindCS_FileGroup_20070908.bak’

With 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 NorthwindCS
To 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 NorthwindCS
To disk=’G:\Backup\NorthwindCS_Mirror_1.bak’
Mirror
To disk=’G:\Backup\NorthwindCS_Mirror_2.bak’

With 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 NorthwindCS
To disk=’G:\Backup\NorthwindCS_Mirror_1.bak’
Mirror
To disk=’\\192.168.1.200\Backup\NorthwindCS_Mirror_2.bak’

With 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)+’.bak’
Backup Database NorthwindCS
To dick=@path

--从NoRecovery或者

--Standby模式恢复数据库为可用

Restore Database NorthwindCS_Bak
With Recovery

--查看目标备份中的备份集

Restore HeaderOnly
From Disk =’G:\Backup\
NorthwindCS_Full_20070908.bak’

--查看目标备份的第一个备份集的信息

Restore FileListOnly
From Disk =’G:\Backup\
NorthwindCS_Full_20070908_2.bak’

With File=1

--查看目标备份的卷标

Restore LabelOnly
From Disk =’G:\Backup\
NorthwindCS_Full_20070908_2.bak’

--备份设置密码保护备份

Backup Database NorthwindCS
To disk=’G:\Backup\
NorthwindCS_Full_20070908.bak’
With Password = ’123’,init
Restore Database NorthwindCS
From disk=’G:\Backup\
NorthwindCS_Full_20070908.bak’
With Password = ’123’

备份:backup database dbname to disk=';d:\dbn.aa';

恢复:restore database dbname from disk=';d:\dbn.aa';

恢复必须在单用户模式下操作才能够成功,我们需要断开其他用户的连接,并且切换到其他数据库,才能够成功