USE[master]

    GO

    ALTER DATABASE PayFlow2 SET RECOVERY SIMPLE WITH NO_WAIT

    GO

    ALTER DATABASE PayFlow2 SET RECOVERY SIMPLE   --简单模式

    GO

    USE PayFlow2

    GO

    DBCC SHRINKFILE (N'PayFlow2_log' , 6, TRUNCATEONLY)  --设置压缩后的日志大小为2M，可以自行指定

    GO

    USE[master]

    GO

    ALTER DATABASE PayFlow2 SET RECOVERY FULL WITH NO_WAIT

    GO

    ALTER DATABASE PayFlow2 SET RECOVERY FULL  --还原为完全模式

    GO