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前滚

网络roll forward; rolling forward; redo

前滚

网络释义

前滚

roll forward

　　所谓前滚（roll forward），是指应用数据库或日志备份中的全部已完成的事务，以将数据库恢复到某个时间点，相当于重新执 …

rolling forward

前滚（rolling forward ）：在恢复操作中恢复重做日志信息的过程4、存档日志文件：重做日志文件可以被自动归档。

redo

重新启动时候，首先做前滚(redo)，再作会滚(undo)注册会员从回滚段头的事务表中找到未提交的事务来回滚。

preroll

PREMIERE 所有中英翻译 - 豆丁网 ... pre-process 预处理 preroll 前滚 preset 预先设定 ...

front roll

＜排球实用英语＞三英汉排球术语... ... front-line player 前排队员 front roll 前滚 front row player 前排队员 ...

roll back

归档日志模式不是默认的日志工作模式，但此模式是允许用户执行前滚（roll back）恢复的惟一方法。在数据库的日志模式为 …

Forward Spin

...道: 别只看飞行距离, 选低申弹道的杆身设计及略带前滚(Forward Spin) 的球头设计多跑个20-30码也是很重要的, 特别是冬天 …

例句：

For a rollforward recovery , it is not necessary to know where the actual logs sit as the rollforward command figures that out for you.

对于前滚恢复，不需要知道实际日志的位置，因为前滚命令会自动找到它们。

If the roll forward set has not been rolled forward far enough to be consistent with the database , the undo phase cannot occur .

如果前滚集前滚得不够远，无法与数据库一致，则不会出现撤消阶段。

Note that this option is only possible with offline backups and no rollforward is possible.

注意，该选项仅适用于离线备份，不支持前滚。

In other words , you cannot roll forward to a specific point in time or to the end of logs from the last full database backup .

换句话说，无法前滚到上次全数据库备份以来的任意时间点或日志的末尾。

With online backup , there is a means to roll forward the logs to any specific point in time or to the end of the logs .

利用在线备份，就可以将日志前滚到任何特定的时间点或日志的末尾。

The rollforward to a specific point in time or to the end of logs can only be possible if there aren't "gaps" between these logs .

只有在这些日志之间没有 “中断 ”的情况下，才可能前滚到任何特定的时间点或日志的末尾。

In the redo phase , data is always rolled forward to a point that is redo consistent with the state of the database at the recovery point .

在重做阶段，始终将数据前滚到与数据库在恢复点的状态一致的点。

As the name NOARCHIVELOG implies , there is no archiving of redo logs , and thus no rolling forward beyond the online redo logs .

正如名称 NOARCHIVELOG 所暗示的那样，没有对重做日志进行归档，也就无法像联机重做日志那样支持前滚。

Generally , if data was read- only when it was backed up and has remained read-only, roll forward is unnecessary and is skipped .

通常，如果数据在备份时为只读并且现在仍为只读，则没有必要前滚并将跳过。

Recovery - to indicate that the logs are retained , and can be used for forward recovery .

Recovery—表示保留日志，且可以用于前滚恢复。

After the initialization of the split mirror as mirror, the database will be placed into a rollforward pending state .

将分割镜像初始化为镜像之后，该数据库将进入前滚暂挂状态。

The new principal server rolls forward its copy of the database as quickly as possible and brings it online as the principal database .

新主体服务器将尽快前滚其数据库副本并使其作为主体数据库处于在线状态。

Do not rollfoward through logs where there is a redistribute operation that is in the middle of that log !

如果日志中间有重分发操作，那么不要前滚这样的日志！

As the file is rolled forward , the values of these columns change .

这些列的值随着文件的前滚而发生更改。

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