1、以单用户模式启动及登录
2、retore
C:\Users\Administrator>sqlcmd -S WIN-M5JVQU0U9DT\MEP 1> RESTORE DATABASE master FROM DISK = 'C:\Users\Administrator\MSDATA.2\MSSQL11.MEP\MSSQL\Backup\master.bak' WITH REPLACE ; 2> go Processed 424 pages for database 'master', file 'master' on file 1. Processed 4 pages for database 'master', file 'mastlog' on file 1. The master database has been successfully restored. Shutting down SQL Server. SQL Server is terminating this process. 1>