随着在线分析处理技术( OLAP)的广泛使用，确保OLAP产品的安全性变得更为重要。为研究OLAP的安全可行性方案，文中以特定项目系统为例，首先对现有的多种OLAP安全方案进行分析，再结合系统实际特点，为项目的OLAP系统安全性提出了两种实施策略：权限设置与数据加密。权限设置是通过对访问用户的权限进行控制，控制前台用户的使用安全；数据加密是将OLAP的维表中非关键字段进行加密，在运行调用时进行解密。该研究也为下一步的方案实现打下了一定的理论基础。%With the widespread use of OLAP,to ensure the safety of OLAP products is becoming more important. In order to get the feasi-ble solutions to the safety of the OLAP,taking a specific project as the instance,analyze lots of OLAP security research currently,then combined with the characteristics of system,two kinds of strategy have been mentioned for the OLAP system security,including permis-sion setting and data encryption. The permission setting is to control the permission of access user to ensure the safety. Data encryption is to encrypt the words which are not the keyword in dimensional table in OLAP,decrypting when running. This research provides a theoret-ical basis to ensure the security of OLAP system.
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