运行维护
备份还原
SQLCMD -S server_name -U user_name -P password -d master -Q"BACKUP DATABASE database_name to disk=’X:PathToBackupLocation[Name_of_Database].bak'"
SQLCMD -S server_name -U user_name -P password -d master -Q"BACKUP DATABASE database_name to disk=’X:PathToBackupLocation[Name_of_Database].bak'"