Recovering from the loss of an unarchived online log file.

从未归档联机日志文件的丢失中恢复。

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The lag between the incremental checkpoint target and the log tail is also limited by 90% of the smallest online log file size.

增量检查点和日志末尾之间的间隔被最小在线日志文件大小的90%所限制。

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Restore log file option restores the log files saved in the backup image (more applicable for online backup and restore).

恢复日志文件选项恢复备份映像中保存的日志文件(适用于在线备份和恢复)。

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