As is so often pointed out, Data Warehousing and On-line Analytical Processing(OLAP)technology are of great importance in the analysis of huge amount of data.

• 一方面为了更好的预测用户需求,了解企业情况,数据仓库(Data Warehousing)技术与在线分析处理(On-line Analytical Processing)技术的应用得到了企业的认同和重视;