In order to efficiently resolve authorization requests on topic nodes for which no object definition exists, permissions are inherited down the topic tree from parent to child nodes.

为了有效解决不存在对象定义的主题节点上的授权请求，将沿着从父节点到子节点的主题树继承权限。

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This is designed for scenarios when permissions cannot be inherited through ownership chaining or when the ownership chain is broken, such as dynamic SQL.

这是针对无法透过拥有权链结继承权限或拥有权链结中断(例如动态sql)的案例所设计。

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A problem that child role cannot obtain private permissions because of inherited relation in the Role-Based Access Control (RBAC) model is researched.

针对基于角色的访问控制(RBAC)模型中由于继承关系产生的子角色不能拥有私有权限问题进行了研究。

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