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

GO ALTERDATABASEMyDatabaseSETSINGLE_USERWITHROLLBACKIMMEDIATE
GO --RestoreFullBackup
RESTOREDATABASEMyDatabase
FROMDISK=’x:\MSSQL\BACKUP\MyBackupFilename_Full.BAK’
WITH
REPLACE,
NORECOVERY,--UseifmoreT/Logstorecover
--RECOVERY,--UseifNOmoreT/Logstorecover
STATS=10,--Showprogress(every10%)
MOVE’MyDatabase_Data’TO’x:\MSSQL\DATA\MyDatabase.mdf’,
MOVE’MyDatabase_Log’TO’x:\MSSQL\DATA\MyDatabase.ldf’
GO --OptionalrestoreDifferentialBackup
RESTOREDATABASEMyDatabase
FROMDISK=’x:\MSSQL\BACKUP\MyDatabase_Diff.BAK’
WITH
--RECOVERY--UseifNOmorefiletorecover
NORECOVERY--UseifthereareT/Logstorecover
GO --OptionalrestoreTransactionLogBackup
RESTOREDATABASEMyDatabase
FROMDISK=’x:\MSSQL\BACKUP\MyDatabase_yyyymmdd_hhmm_Trans.BAK’
WITH
--RECOVERY--UseifNOmoreT/Logstorecover
NORECOVERY--UseifmoreT/Logstorecover
GO --Setthedatabasereadyforuse(afterallbackupshavebeenrestored)
RESTOREDATABASEMyDatabaseRECOVERY
GO --Renamelogicalnames(onlyneededifrestoringfromabackupforaDifferentdatabase):
ALTERDATABASEMyDatabase
MODIFYFILE(NAME=’OrigDatabase_Data’,NEWNAME=’MyDatabase_data’)
GO
ALTERDATABASEMyDatabase
MODIFYFILE(NAME=’OrigDatabase_Log’,NEWNAME=’MyDatabase_log’)
GO

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