摘要： 描述了基于星型模型的数据仓库中维表的纠错改变和自然改变的一些特征,分析了由此引发的问题,提出并实现了一种新的解决方法,并给出实例验证其可行性。
关键词:
数据仓库,
星型模型,
维变,
增量更新
Abstract: This paper describes some characters of the changing dimensions in the data warehouse based on the star model, then analyses the questions which arise from the changing dimensions. Subsequently, a new solution which is proved feasible by an example is presented.
中图分类号:
徐 骥,陶树平. 基于星型模型的数据仓库中维变技术的研究[J]. , 2002, 28(04): 101-.
XU Ji, TAO Shuping. Research on the Technique of Changing Dimensions in the DataWarehouse Based on Star Schema[J]. , 2002, 28(04): 101-.