BI数据级权限解决方案
BI 数据 分析是目前企业的热门应用，而对企业来说， 权限 控制是非常重要的，尤其是作为决策用的企业报表。目前基于微软SQL Server体系的BI架构为Integration Services + Analysis Service + Reporting Services，Integration Services和Analysis都属于应用
BI数据分析是目前企业的热门应用，而对企业来说，权限控制是非常重要的，尤其是作为决策用的企业报表。目前基于微软SQL Server体系的BI架构为Integration Services + Analysis Service + Reporting Services，Integration Services和Analysis都属于应用后台的服务，不会在用户前端展现，其权限控制体系不在我们这篇文章的讨论范围内（但是实现数据级权限控制，需要Analysis Services的参与）。而对于前端展示用的企业报表，权限控制体系分为2种：报表级权限和数据级权限。报表级权限较为简单，主要用于控制谁能够看这个报表；数据级权限则比较复杂了，任何人看同一张报表，报表上的数据只能是他有权限查看的数据。简单说，就是总经理看到的数据和经理看到的数据是不一样的，虽然他们在看同一张报表。比较报表级权限和数据级权限，会发现如果实现了数据级权限的控制，那么企业报表是否需要进行权限控制已经不再重要（当然，为了界面友好性，还是应该控制下的）。
这篇文章主要就是讲述基于SQL Server架构的BI数据级权限的解决方案，这也是我给一个德国大型跨国企业客户实施其BI项目中，对方非常重视的一个功能。这里先简单介绍下这个客户和项目，出于保密要求，我把该客户叫做Customer S（简称CS，呵呵，不是那个游戏哦）。
CS项目前端采用Sharepoint，后台采用SQL Server，主要分析客户S的销售数据。CS的组织结构分为部门、区域；部门和区域是相互交叉的；某个部门的总部人员能够看到全国所有区域的数据；而区域员工则只能看到该区域的数据了。用户能够查看的数据权限，需要在网页上可以进行配置。这就是客户对数据级权限的要求。
针对这些需求，数据级权限解决方案采用如下架构：
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