如何恢复数据库备份到一个已存在的正在使用的数据库上
USE master — (Cant sit in the database whilst its being restored!)
GO
ALTER DATABASE MyDatabase SET SINGLE_USER WITH ROLLBACK IMMEDIATE
GO
— Restore Full Backup
RESTORE DATABASE MyDatabase
FROM DISK = x:MSSQLBACKUPMyBackupFilename_Full.BAK
WITH
REPLACE,
NORECOVERY, — Use if more T/Logs to recover
— RECOVERY, — Use if NO more T/Logs to recover
STATS = 10, — Show progress (every 10%)
MOVE MyDatabase_Data TO x:MSSQLDATAMyDatabase.mdf,
MOVE MyDatabase_Log TO x:MSSQLDATAMyDatabase.ldf
GO
— Optional restore Differential Backup
RESTORE DATABASE MyDatabase
FROM DISK = x:MSSQLBACKUPMyDatabase_Diff.BAK
WITH
— RECOVERY — Use if NO more file to recover
NORECOVERY — Use if there are T/Logs to recover
GO
— Optional restore Transaction Log Backup
RESTORE DATABASE MyDatabase
FROM DISK = x:MSSQLBACKUPMyDatabase_yyyymmdd_hhmm_Trans.BAK
WITH
— RECOVERY — Use if NO more T/Logs to recover
NORECOVERY — Use if more T/Logs to recover
GO
— Set the database ready for use (after all backups have been restored)
RESTORE DATABASE MyDatabase RECOVERY
GO
— Rename logical names (only needed if restoring from a backup for a Different database):
ALTER DATABASE MyDatabase
MODIFY FILE (NAME = OrigDatabase_Data, NEWNAME = MyDatabase_data)
GO
ALTER DATABASE MyDatabase
MODIFY FILE (NAME = OrigDatabase_Log, NEWNAME = MyDatabase_log)
GO
