Mysqlcheck.exe Checks for database health, for example to check, repair, analyze, or optimize tables.

exe检查数据库是否健康，比如检查、修复、分析或优化表。

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For example, because the server can repair the database online while still under load, messages are delivered and available to the user.

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。

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If your MongoDB server crashes, you should repair the database to check for any corruption and perform some data compaction.

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。

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