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该文介绍了数据仓库和OLAP技术的有关概念和内容,为读者了解这些技术提供了一个较全面的视图,同时,我们提供了一个数据仓库和OLAP技术应用实例的概貌和结构,以期读者对这些技术有进一步理解“,”This paper introduces the basic concepts of data warehouse and OLAP technology. It also provides a practical example of a decision support system for tax revenue, which is implemented by using the data warehouse and OLAP technology.