Enabling it by setting it to "recovery" allows the database manager to use the roll-forward recovery method.
通过将它设置成“RECOVERY”来启用它，从而允许数据库管理器使用前滚恢复方法。
You can change this configuration parameter during the roll-forward process to allow you to access logs in multiple locations.
在前滚过程中可以更改此配置参数以允许您访问多个位置中的日志。
The results of performing a roll-forward recovery operation could differ slightly from replaying the logs on the standby database using HADR.
执行前滚恢复操作的结果与使用 HADR在备用数据库上重播日志的结果略有不同。
If both of these parameters are de-selected, roll-forward recovery becomes unavailable for the database because logs will no longer be retained.
如果取消选择这两个参数，就不能对数据库进行前滚恢复，因为将不再保留日志。
Because you can change the log path location, the logs needed for roll-forward recovery may exist in different directories or on different devices.
因为您可以更改日志路径位置，所以前滚恢复所需的日志可能会在不同的目录中或在不同的设备上存在。
The above example shows that during roll-forward if point in time (PIT) specified in the command is old or early, you get error message (SQL1275N).
以上例子表明，在前滚期间，如果命令中指定的时间点(PIT)过早，那么会收到错误消息(SQL 1275n)。
The active log path is important when using either the userexit configuration parameter or the logretain configuration parameter to allow roll-forward recovery.
当使用userexit配置参数或logretain配置参数以允许前滚恢复时，活动日志路径非常重要。
Archive logs that are currently stored in the database log path directory are not moved to the new location if the database is configured for roll-forward recovery.
如果将数据库配置成进行前滚恢复，那么就不会将当前存储在数据库日志路径目录中的归档日志移到新的位置。
If logretain is set to "recovery" or userexit is set to "Yes" (see below), the active log files will be retained and become online archive log files for use in roll-forward recovery.
如果logretain设置成“Recovery”或者userexit设置成“Yes”(请参阅下一节)，将保留活动日志文件，而且这些文件将变成联机归档日志文件，以便在前滚恢复中使用。
If you are enabling an existing database for roll-forward recovery, change the number of primary logs to the sum of the number of primary and secondary logs you are currently using, plus 1.
如果您对现有数据库启用前滚恢复，将主日志的数量更改成当前正在使用的主日志和辅助日志的数量总和，再加1。
This process reads log files during rollback, restart recovery and roll forward.
此进程在回滚、重启恢复和前滚期间读取日志文件。
A new method of pure roll straitening is put forward in this article. The problem of straitening to reinforcing stainless steel bar with high surface quality is solved.
提出了一种纯滚动矫直的新方法，解决了高表面质量的不锈钢钢筋的无划伤矫直问题。
You can either use a copy of your backup image and roll it forward to the time right before the table was dropped (point-in-time recovery), or you can restore a logical backup through the exp utility.
您可以使用备份映射的副本，并将它前滚至删除表之前的某个时间点(时间点恢复)，或者您可以通过exp实用程序恢复逻辑备份。
He is also able to roll the database forward to a point in time just before the application did its damage.
他还可以将数据库前滚到应用程序破坏数据之前的一个时间点。
You need to roll forward your database by using this command (also in Listing 17).
您需要使用此命令前滚数据库（请参阅清单17）。
To recover from the incremental backup, there are only two steps to follow, Restore the incremental database and roll forward to completion.
要恢复增量备份，只需要两步，恢复增量数据库并前滚。
Use the restore task assistant to restore the database and roll forward to a point in time before the delete statements were run.
使用恢复任务助手恢复数据库，并前滚到运行delete语句之前的时间点。
Continually copy over or retrieve the inactive log files from the source database and roll them forward on the target database.
不断地复制或获取源数据库上的非活动日志文件，并在目标数据库上前滚它们。
Based on analyzing the intersection curve between the rolled-piece and roll, the method of determining the nip point is put forward.
基于对轧件与轧辊截交线的分析，提出了在二维直角坐标系中确定轧件咬入接触点的方法。
We design the laboratorial device of vacuum couch roll and base on the experimental research, we put forward some solution to reduce aerodynamical noise of vacuum couch roll.
本文设计了真空伏辊实验模拟装置，并在其基础上通过实验研究，提出降低真空伏辊空气动力性噪声的方法。
The headfirst forward roll requires the rollers to press down with feet, jump, prop up with arms and roll consistently.
鱼跃前滚翻动作，要求蹬、跃、撑、滚连贯，腾空高，滚翻圆滑。
Result showed that main reasons on ablation of roll bearing were transformation of forward Angle, flow value of cool water, water pressure, water pipe position, and deformation of roll-shell et al.
对造成轧辊烧轴承的原因进行了分析，结果表明：轧辊烧轴承主要与轧辊送进角的变化，冷却水的水量、水压及水管位置，轧辊架变形情况等有关。
The parameters and structure design for a bi-toothed roll crusher were described, and evaluation methods on bi-toothed roll crusher were put forward, which make references for engineers and users.
对双齿辊破碎机主要参数计算及结构设计进行了论述，并提出了双齿辊破碎机破岩力的评估方法，供相关设计研究人员及用户参考。
In the CLP, you will issue the following commands to do a restore and roll forward a full database.
在CLP中，您将发出下面的命令来执行恢复，并前滚整个数据库。
Note, however, that you have the option to roll forward to a given local time (new feature) or GMT time.
但是注意，可以选择前滚到给定的本地时间(新特性)或GMT时间。
Manually determining the correct point in time to which to roll forward a database is difficult, particularly for a partitioned database.
手动地确定前滚一个数据库的正确时间点比较困难，对于分区数据库更是如此。
In the CLP, you will issue the following to do a restore and roll forward a table space.
在CLP中，可以发出以下命令来执行恢复，并前滚表空间。
In the CLP, you will issue the following to do a restore and roll forward a table space.
在CLP中，可以发出以下命令来执行恢复，并前滚表空间。
应用推荐