该特性在固定数据和spec基础设施中都受支持。
This feature is supported by both hardened data and by the spec infrastructure.
运行时api提供了操纵平台固定数据对象的功能。
Runtime API's provide the functionality to manipulate the platform's persistent data objects.
您也可以将用户添加到固定数据库角色来简化权限的分配。
You can also add users to fixed database roles to simplify assigning permissions.
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