SQLSERVER 2008大容量ログの削除

--SQL SERVER     
    USE [master]
    GO
    ALTER DATABASE DNName SET RECOVERY SIMPLE WITH NO_WAIT
    GO
    ALTER DATABASE DNName SET RECOVERY SIMPLE   --    
    GO
    USE DNName
    GO
    DBCC SHRINKFILE (N'DNName_Log' , 11, TRUNCATEONLY)
    GO
    USE [master]
    GO
    ALTER DATABASE DNName SET RECOVERY FULL WITH NO_WAIT
    GO
    ALTER DATABASE DNName SET RECOVERY FULL  --       
    GO