Tham khảo tài liệu 'sams microsoft sql server 2008- p9', công nghệ thông tin, cơ sở dữ liệu phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Reporting Services Security Model 381 This is the same model used in NTFS. Every child item of a folder automatically inherits the parent folder s permissions. Whenever an item s permissions need to change just break the inheritance and SSRS starts a new policy with that item. Overview of Built-In Roles For most organizations the built-in roles should suffice. If they do not keep in mind that the Report Server administrators can create custom role definitions. If you need to create a custom role definition it might be helpful to stage that role definition in a development environment. Tables and describe the predefined roles and their corresponding tasks. Keep in mind that when a task is called Manage . that it implies the ability to create modify and delete. TABLE Item-Level Roles Role Name Description Browser Allows users to browse through the folder hierarchy view report properties view resources and their properties view models and use them as a data source and finally execute reports but not manage reports. It is important to note that this role gives Report Viewer the ability to subscribe to reports using their own subscriptions. Content Manager Allows users to manage folders models data sources report history and resources regardless of who owns them. This role also allows users to execute reports create folder items view and set properties of items and set security for report items. Report Builder Allows users to build and edit reports using Report Builder and manage individual subscriptions. My Reports Allows users to build reports and store the reports in their own personal folder. They can also change the permissions of their own My Reports folder. Publisher Allows users to publish content to the Report Server but not to view it. This role is helpful for people who are allowed to develop reports against a development or test data source but are not allowed to view reports against the production data source. TABLE Tasks Assigned to .