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.

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。

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A complete recovery is a recovery that involves rolling forward the logs to bring the database to the most current time with no lost of data.

完全恢复是包括将数据库恢复到最近时间的前滚日志并且没有数据丢失的恢复。

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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。

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