允许您捕获特定时间点的数据库状态。
Let you capture the state of a database at a specific point in time.
你可能还需要比较不同时间点的数据和超出阈值能发送警告。
You'll also benefit from the ability to compare data from different points in time, as well as the ability to send alerts when thresholds are breached.
一旦你把数据传送到电脑上，它可以描绘出你的跑步路线，每英里在那个方位，以及你在这些地方的时间点。
Once the data has transferred to your computer, it maps out the route you took and tells you where each mile split was, and what your time was at this location.
通过一点预备工作，就可以节省日后跟踪数据完整性问题的大量时间。
With a little up-front work, you can save yourself a whole lot of time chasing data integrity problems later.
自动刷新可能会带来问题，因为只需要对财务数据进行指定时间点的分析。
Automatic refreshes are problematic because of the point-in-time analysis being performed on financial data.
迄今为止，今天股市最令人期待的消息是，美国非农就业人数数据将于美国东部时间上午8点30分公布。
By far the most anticipated event of the day for markets will be U.S. non-farm payrolls data to come at 8:30 a.m. Eastern time.
投资者翘首以盼，美国12月份非农就业人数将于美国东部时间上午8点30分公布，该数据会反映美国劳动力市场的形势。
Investors are eagerly awaiting data on U.S. nonfarm payrolls for December, due at 8:30 a.m. Eastern time, for more clues on the state of the American labor market.
该产品自动化了在指定时间点上重建这些资产的过程，通常无需在脱机状态下执行这些数据库或业务操作。
The product automates the process of rebuilding these assets at a specified point in time, often without taking the database or the business operations offline.
考虑到这一点，人们需要为时间不短的数据中心停机作好计划，因此，这种状态下的可靠性将会变得非常重要。
Given that, one needs to plan for data center outages that are not brief, and reliability in this state will become very important as a result.
如果您选择使用归档日志记录，并执行联机备份和前滚恢复，那么您可以恢复到数据丢失最少的那个时间点，或者恢复到结束日志的时候。
If you choose to have archive logging, and do an online backup and roll forward recovery, you can recover to a point in time or to the end of the logs for the minimum loss of data.
最后，数据库和表空间的在线备份镜像将包括一组日志文件，在将备份镜像恢复到某个一致的时间点时，这些文件是必需的。
Finally, online backup images of databases and table Spaces will include the set of log files necessary to restore and recover the backup image to a consistent point in time.
两种数据库都提供了前滚到某个时间点以及前滚到日志的结束的恢复。
Both databases provide the roll forward until a certain point in time and to the end of the logs.
以下这一点要重点注意，在两种情况下，整个数据库服务器都将被还原到指定的时间点或逻辑日志。
It is important to notice that in both cases the whole database server will be restored to the specified point-in-time or logical log.
迄今为止，今天股市最令人期待的消息是，美国非农就业人数数据将于美国东部时间上午8点30分公布。
By far the most anticipated event of the day for markets will be U. S. non-farm payrolls data to come at 8:30 a.m.
检查点是指数据库服务器在特定的时间点对磁盘上的页面和共享内存缓冲区中的页面进行同步。
A checkpoint refers to a point when the database server synchronizes the pages on disk with the pages in the shared-memory buffers.
这个时间段确定了您的灾难数据中心的恢复点目标(RPO)。
It is this period that determines the recovery point (RPO) of your disaster data center.
注意，这个操作是不可恢复的，因此如果需要将数据库恢复到完成表移动与备份之间的某个时间点，那么表可能会丢失。
Note that this operation is not recoverable, so if you need to recover your database to the point in time between the table move completion time and following backup, the table may get lost.
运行数据快照将定期捕获，这个定期时间间隔定义灾难数据中心的恢复点。
The run data snapshot will be taken periodically and that period defines the recovery point of the disaster data center.
这使客户机可以发布一个单独的对象到灾难恢复站点，后者允许客户将数据库恢复到一个一致的时间点。
This gives clients the ability to have a single object to ship to disaster recovery sites that would allow the customer to bring the database back to a consistent point in time.
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。
Manually determining the correct point in time to which to roll forward a database is difficult, particularly for a partitioned database.
目前，大多数数据分析的结果就像是动画中的一帧：某一时间点上的快照。
Today, the result of most data analysis resembles a single frame from a motion picture: a snapshot of one point in time.
DB 2提供了一种自动调度备份任务的机制，还可以保存事务日志，可以使用事务日志将数据库恢复到发生崩溃的时间点。
DB2 provides a mechanism to automatically schedule backups and to keep transaction logs that can be used to restore to the exact point of the crash.
检查点定义数据库在加载流程中成功处理指定数量的记录时的时间点。
A checkpoint defines a point during the loading process at which the database has successfully processed a specified number of records.
意思是单一节点要花费一个小时的时间才能接入网络系统，让收集数据这一动作费时极大。
This meant that a single node could take up to an hour to join the network, which made collecting data extremely time-consuming.
这一点没有明确定义(这样的安排方式无法正常工作)，因为不同的进程将需要在不同的时间维护不同的数据值。
Loosely defined, such an arrangement wouldn't work, as different processes would need to maintain different data values at different times.
需要在数据操作的各时间点同步多个加载进程。
The multiple loading processes need to be synchronized at various points during the data operation.
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。
He is also able to roll the database forward to a point in time just before the application did its damage.
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。
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.
目前我们并不打算衡量这些计划（毕竟在你得到真实的数据之前，还需要一点时间），但是，你应该意识到，你必须开始节省以实现这些新目标。
We won’t evaluate them yet (after all, you’ve got a few days to go before you have some real numbers), but you should realize that you’re going to have to save some money to meet these goals.
这会将数据库恢复到创建这个映像的时间点。
This will ensure that the database is brought to the precise time when the images were created.
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