制造费用差异五分法分析 five-way analysis of overhead variance
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例句与用法
Using differential backups 使用差异备份
To avoid rolling forward a lot of transaction log backups , consider using differential file backups 若要避免前滚多个事务日志备份,请考虑使用差异文件备份。
Discusses issues related to restoring a database to an earlier point in time using differential or log backups 讨论了有关使用差异备份或日志备份将数据库还原到先前时点的问题。
The following illustration shows a backup strategy that supplements full database backups with differential database backups and also a series of routine log backups 下图阐释的备份策略使用差异数据库备份及一系列例程日志备份来补充完整数据库备份。
Under the full recovery model , at the expense of additional administrative complexity , using differential file backups can reduce the number of log backups that you have to restore 若要缩短恢复时间,可考虑使用差异文件备份,但会增加管理的复杂性。有关详细信息,请参阅
Therefore , if you are using differential backups with a read - only database , after you reattach the database , you should establish a current differential base by taking a full backup 因此,如果对只读数据库使用差异备份,在重新附加数据库后,应通过进行完整备份来建立当前差异基准。
Describes the restrictions on using differential backups under the simple recovery model , the backup upon which a differential backup is based , and the conditions under which a file that is created after the differential base is included in new differential backups 说明在简单恢复模式下使用差异备份的限制,差异备份所基于的备份,以及在差异基准后创建的文件纳入新的差异备份所需的条件。