----恢复9月6号完全备份
RESTORE DataBase [DB] From  Disk=‘D:\BackUp\DB_FULL20150906.BAK‘ with NORECOVERY,
Move ‘DB‘ to ‘D:\SQLData\DB_Data.MDF‘,Move ‘DB_log‘ to ‘D:\SQLData\DB_log.LDF‘
----恢复9月7号差异备份
RESTORE DATABASE [DB] FROM DISK=‘D:\BackUp\DB_DIFF20150907.BAK‘ WITH NORECOVERY
--查LSN点，恢复9月7号和8号的日志备份
DECLARE @i INT =‘7‘
WHILE @i <= 25
BEGIN
    Restore Log [DB] From  Disk=‘D:\BackUp\DB_Log20150907.TRN‘ with NORECOVERY ,FILE =@i 
    SET @i =@i +1
END
--8号最后一份回滚
Restore Log [DB] From  Disk=‘D:\BackUp\DB_Log20150908.TRN‘ with RECOVERY ,FILE =16

--查询备份文件的LSN的语句如下：
RESTORE HEADERONLY FROM DISK = ‘D:\BackUp\DB_DIFF20150907.BAK‘
RESTORE HEADERONLY FROM DISK = ‘D:\BackUp\DB_Log20150907.TRN‘