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
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USE master -- (Can’t sit in the database whilst its being restored!)
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GO
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ALTER DATABASE MyDatabase SET SINGLE_USER WITH ROLLBACK IMMEDIATE
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GO
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-- Restore Full Backup
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RESTORE DATABASE MyDatabase
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FROM DISK = ’x:\MSSQL\BACKUP\MyBackupFilename_Full.BAK’
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WITH
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REPLACE,
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NORECOVERY, -- Use if more T/Logs to recover
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-- RECOVERY, -- Use if NO more T/Logs to recover
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STATS = 10, -- Show progress (every 10%)
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MOVE ’MyDatabase_Data’ TO ’x:\MSSQL\DATA\MyDatabase.mdf’,
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MOVE ’MyDatabase_Log’ TO ’x:\MSSQL\DATA\MyDatabase.ldf’
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GO
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-- Optional restore Differential Backup
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RESTORE DATABASE MyDatabase
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FROM DISK = ’x:\MSSQL\BACKUP\MyDatabase_Diff.BAK’
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WITH
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-- RECOVERY -- Use if NO more file to recover
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NORECOVERY -- Use if there are T/Logs to recover
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GO
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-- Optional restore Transaction Log Backup
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RESTORE DATABASE MyDatabase
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FROM DISK = ’x:\MSSQL\BACKUP\MyDatabase_yyyymmdd_hhmm_Trans.BAK’
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WITH
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-- RECOVERY -- Use if NO more T/Logs to recover
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NORECOVERY -- Use if more T/Logs to recover
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GO
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-- Set the database ready for use (after all backups have been restored)
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RESTORE DATABASE MyDatabase RECOVERY
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GO
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-- Rename logical names (only needed if restoring from a backup for a Different database):
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ALTER DATABASE MyDatabase
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MODIFY FILE (NAME = ’OrigDatabase_Data’, NEWNAME = ’MyDatabase_data’)
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GO
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ALTER DATABASE MyDatabase
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MODIFY FILE (NAME = ’OrigDatabase_Log’, NEWNAME = ’MyDatabase_log’)
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GO
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