【作者】 任家东； 李志国； 宗俊省； 刘欣；

【机构】 燕山大学信息科学与工程学院；

【摘要】 <正>1 引言数据仓库的目的是要建立一种体系化的数据存储环境,将分析决策所需的大量数据从传统的操作环境中分离出来,使分散的、不一致的操作数据转换成集成的、统一的信息,企业内不同单位的成员都可更多还原

【Abstract】 In this paper, we present a new method for searching subject based on analyzing subject’s feature and existed searching method. The new method can search out the tables which are more likely to be made into subjects. It also can help designer to design subject usefully by comparing the result with requirement analyzing. In addition, it also could assist designer to make fact table in effect by analyzing unknown relational database quickly and searching out the tables which have more subject features.更多还原