用数据库还原命令可以解决：
| 1 | USE master |
| 2 | RESTORE DATABASE DanceDB |
| 3 | FROM DISK = 'E:\Backup-DanceDB-20090912.bak' |
| 4 | WITH MOVE 'DanceDB' TO 'C:\Program Files\Microsoft SQL Server2005\Data\DanceDB.mdf', |
| 5 | MOVE 'DanceDB_log' TO 'C:\Program Files\Microsoft SQL Server2005\Data\DanceDB_log.ldf', |
| 6 | STATS = 10, REPLACE |
| 7 | GO |