When a database is created, SELECT privilege on the system catalog views is granted to PUBLIC (Figure 6).

在创建一个数据库时，系统编目视图上的SELECT权限便被授给PUBLIC(图6)。

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This database stores all the necessary information about system-critical files, including kernel extension modules or the files that require root privilege to execute.

此数据库存储了有关系统关键型文件的所有必要信息，这些文件包括内核执行模块或需要root权限才能执行的文件。

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So far, the privilege management function of the engineering database system CO-S_DBS is realized, by combining this model.

并结合此模型实现了CO-S_DBS工程数据库系统的权限管理功能。

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