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。
Additional information is logged for long varchar and LOB fields in a database enabled for roll-forward recovery.
对于为了前滚恢复而在数据库中启用long varchar和LOB字段这样的附加信息，也会记录在日志中。
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。
These failures are handled by restoring either offline or online backups and using roll-forward operations to recover the logs.
通过还原脱机或联机备份并使用回滚操作来恢复日志，就可处理这些故障。
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。
This strategy should not be a choice in an on-line transaction processing (OLTP) environment since roll-forward recovery is not possible. Figure 1 below illustrates circular logging.
该策略不应该用在线事务处理(on - line transaction processing,OLTP)环境，因为它不可能进行前滚恢复。
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。
The figures' fat bellies tilted them forward, and a D-shaped base allowed handlers to roll and rock them side to side.
这些人的大腹便便使他们身体前倾，D 形的底座可以让操纵者左右滚动和摇摆。
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。
To restore without losing data, you will restore from the first Sunday backup, followed by incremental backup taken on Saturday and roll forward.
要进行恢复，而又不丢失数据，那么您需要从第一个星期天备份恢复，然后恢复星期六取得的增量备份并进行前滚。
Select Restore the database and roll forward as follows (Figure 18).
选择Restore thedatabaseand roll forwardasfollows(图18)。
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）。
An incomplete recovery is a recovery that involves rolling forward the redo logs to bring the database to timestamp as far as the roll forward allows you with some lost of data.
不完全恢复是这样的一种恢复，该恢复包括前滚重做日志，以便数据库恢复到某个时间戳，该前滚操作允许您丢失一些数据。
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。
Note that you can restore either a full backup manually, apply the Saturday incremental backup image and roll forward.
注意，您可以手动恢复完全备份，应用星期六的增量备份映像并进行前滚。
To a specific local time (new feature) - to roll forward to a specific local timestamp.
特定的本地时间(新特性)——它会前滚到特定的本地时间戳。
To do a roll forward recovery in DB2 UDB, archive logging must be used.
要在DB 2UD b中执行前滚恢复，必须使用归档日志记录。
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。
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。
At this moment, you will still be in roll forward pending mode (SQL1117N) since there will be transactions to be roll forward.
这时，您仍将处于前滚挂起模式(SQL 1117n)，因为有要前滚的事务。
At this moment, you will still be in roll forward pending mode (SQL1117N) since there will be transactions to be roll forward.
这时，您仍将处于前滚挂起模式(SQL 1117n)，因为有要前滚的事务。
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