For example, suppose you have to render a dynamic form and hide input fields based on user permissions.
例如，假设您不得不呈现一个动态表单，并隐藏基于用户权限的输入字段。
If the group list corresponding to the user's version of PAC is found in the in-memory cache of PLAM, the user is granted access to the requested object based on permissions on the ACL.
如果在PLAM的内存缓存中找到了组列表对应用户的PAC的版本，那么这个用户就会根据ACL的限制对所请求的对象进行授权。
Users will not be able to inherit permissions from other database roles, because the WHERE clause is based on user or login names, not on roles.
用户将不能从其他数据库角色继承权限，因为WHERE 子句基于用户名或登录名而不基于角色。
The following steps describe how to configure row-level permissions based on a user or login name.
下面的步骤说明如何基于用户名或登录名配置行级权限。
Role-Based Security Permissions provide a mechanism for discovering whether a user (or the agent acting on the user's behalf) has a particular identity or is a member of a specified role.
以角色为基础的安全性权限提供一种机制来探索，无论使用者 （或主机上代表使用者的代理程式）有特定的识别，或是为成员指定的角色。
Role-Based Security Permissions, which provide a mechanism for discovering whether a user (or the agent acting on the user's behalf) has a particular identity or is a member of a specified role.
基于角色的安全性权限，此类权限提供一种判别机制，用以确定用户(或代表用户进行操作的代理)是否具有特定的身份，或是否为指定角色的成员。
Role-Based Security Permissions, which provide a mechanism for discovering whether a user (or the agent acting on the user's behalf) has a particular identity or is a member of a specified role.
基于角色的安全性权限，此类权限提供一种判别机制，用以确定用户(或代表用户进行操作的代理)是否具有特定的身份，或是否为指定角色的成员。
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