sql数据库的备份还原问题

今天工作中犯了一个严重的错误，就是在sql中写了一个update语句，还没写条件呢，结果误按了F5，唉，太佩服自己啦。。。这个脑子怎么不管用了呢？？

唉不说了，我在网上翻来覆去的找资料，最终想是不是可以通过日志文件还原数据，结果瞅着了一个。不管怎么样先记住这次教训！

为了以防万一，我还是时刻提醒自己。

--完整备份
Backup Database NorthwindCS
To disk='G:BackupNorthwindCS_Full_20070908.bak'

--差异备份
Backup Database NorthwindCS
To disk='G:BackupNorthwindCS_Diff_20070908.bak'
With Differential

--日志备份，默认截断日志
Backup Log NorthwindCS
To disk='G:BackupNorthwindCS_Log_20070908.bak'

--日志备份，不截断日志
Backup Log NorthwindCS
To disk='G:BackupNorthwindCS_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:BackupNorthwindCS_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:BackupNorthwindCS_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:BackupNorthwindCS_Full_1.bak'
     ,disk='G:BackupNorthwindCS_Full_2.bak'

--镜像备份
--每个目标都是相同的
Backup Database NorthwindCS
To disk='G:BackupNorthwindCS_Mirror_1.bak'
Mirror
To disk='G:BackupNorthwindCS_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:BackupNorthwindCS_Mirror_1.bak'
Mirror
To disk='\192.168.1.200BackupNorthwindCS_Mirror_2.bak'
With Format

--每天生成一个备份文件
Declare @Path Nvarchar(2000)
Set @Path ='G:BackupNorthwindCS_Full_'
+Convert(Nvarchar,Getdate(),112)+'.bak'

Backup Database NorthwindCS
To disk=@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:BackupNorthwindCS_Full_20070908.bak'

--查看目标备份的第一个备份集的信息
Restore FileListOnly
From Disk ='G:BackupNorthwindCS_Full_20070908_2.bak'
With File=1

--查看目标备份的卷标
Restore LabelOnly
From Disk ='G:BackupNorthwindCS_Full_20070908_2.bak'

--备份设置密码保护备份
Backup Database NorthwindCS
To disk='G:BackupNorthwindCS_Full_20070908.bak'
With Password = '123',init

Restore Database NorthwindCS
From disk='G:BackupNorthwindCS_Full_20070908.bak'
With Password = '123'

分类: C#, MySql