sqlserver数据库备份与还原语句

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--创建备份设备
USE [master]
GO
EXEC master.dbo.sp_addumpdevice @devtype = N'disk', @logicalname = N'beifen', @physicalname = N'D:\beifen.bak'
GO
--完整备份到备份设备中
BACKUP DATABASE [student] TO [beifen] WITH NOFORMAT, NOINIT, NAME = N'student-完整数据库备份', SKIP, NOREWIND, NOUNLOAD, STATS = 10
GO
--还原完整备份
RESTORE DATABASE [student] FROM [beifen] WITH FILE = 1, NOUNLOAD, REPLACE, STATS = 10
GO
--差异备份
BACKUP DATABASE [student] TO [beifen] WITH DIFFERENTIAL , NOFORMAT, NOINIT, NAME = N'student-差异数据库备份', SKIP, NOREWIND, NOUNLOAD, STATS = 10
GO
--事务日志备份
BACKUP LOG [student] TO [beifen] WITH NOFORMAT, NOINIT, NAME = N'student-事务日志备份', SKIP, NOREWIND, NOUNLOAD, STATS = 10
GO
--还原到最近状态
RESTORE DATABASE [student] FROM [beifen] WITH FILE = 1, NORECOVERY, NOUNLOAD, STATS = 10
GO
RESTORE DATABASE [student] FROM [beifen] WITH FILE = 2, NORECOVERY, NOUNLOAD, STATS = 10
GO
RESTORE LOG [student] FROM [beifen] WITH FILE = 3, NOUNLOAD, STATS = 10
GO

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