不过，在进行这种情况的还原时，无法使数据还原，因为需要逻辑日志来达到并行模式下执行的备份的某个一致点。
However, in the case of a restore, you won't be able to get your data back because the logical logs are needed to reach a point of consistency for backups performed in parallel mode.
执行逻辑数据库备份，将数据和逻辑定义从数据库提取到一个文件。
Perform logical database backups as they extract data and logical definitions from the database to a file.
当发生数据毁坏事故，例如软件故障、硬件故障、错误的应用程序逻辑和用户错误后，可以使用这些备份将数据库恢复到适当的状态。
These backups can be used to restore databases to their proper state after data corruption events, such as software failures, hardware failures, bad application logic, and user errors.
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