System management: data management, data warehouse security, system and database backup and recovery, and so on.

系统管理：数据管理、数据仓库安全性、系统和数据库的备份和恢复，等等。

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For these reasons, it is critical that you understand how backup and recovery features function for your database management system, and that you have a well-planned backup strategy implemented.

由于这些原因，理解数据库管理系统中备份和恢复功能的工作原理，并实施经过精心规划的备份策略，就显得至关重要了。

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Shutting down the database in Derby is also important to ensure that data recovery checkpoints and various other database management functions are handled properly.

为了确保数据恢复检查点和其他各种数据库管理功能得到正确的处理，关闭Derby中的数据库也很重要。

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