The enhanced Oracle Enterprise Manager HTML interface provides a central point of access to all database performance-related statistics and facilitates complete monitoring and diagnostics.

增强的Oracle Enterprise Manager html界面为所有与数据库性能相关的统计信息提供一个集中的访问点，为全面的监控和诊断提供了方便。

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The Manager Bean then handles the logic for retrieving and updating entities by calling the appropriate JPA APIs to interface with the backend database (Figure 3).

然后 Manager Bean 处理逻辑，通过访问合适的 JPA API 来与备份数据库相接（图 3），来检索以及更新实体。

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