要修复数据库中的这个问题，您需要理解可能的原因和解决方案。
To fix this problem in the database, you need to understand the possible causes and resolutions.
如果MongoDB服务器崩溃，应修复数据库以检查错误并执行一些数据精简。
If your MongoDB server crashes, you should repair the database to check for any corruption and perform some data compaction.
例如，因为服务器在运行负载时仍然可以在线修复数据库，因此用户可以收到消息。
For example, because the server can repair the database online while still under load, messages are delivered and available to the user.
定位并修复数据库在约束、触发器、区(extent)和索引上的问题，同时可以让Toad直接利用OracleOCI调用获得对OracleAPI的完全访问。
Find and fix database problems with constraints, triggers, extents, indexes, and grants Toad utilizes direct Oracle OCI calls for full access to the Oracle API.
定位并修复数据库在约束、触发器、区(extent)和索引上的问题，同时可以让Toad直接利用OracleOCI调用获得对OracleAPI的完全访问。
Find and fix database problems with constraints, triggers, extents, indexes, and grants Toad utilizes direct Oracle OCI calls for full access to the Oracle API.
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