In this section, you will discover how to import and export files in JSON format, as well as how to create hotbackup files that are more efficient for recovery purposes.
在本节中，您将了解如何以json格式导入和导出文件，以及如何创建用于高效恢复的热备份文件。
2
On top of that, with hotbackup, you can perform both incremental and cumulative backup.
在此基础上，使用热备份，可执行递增和累积备份。
3
The main gain of hotbackup is the ability to recover to the point in time where the system last became unavailable.