摘要
选择怎样的ECT(Extraction ,Cleanup ,Transformation)工具将是每个数据仓库构建者不可避免的问题。本文重点介绍ECT工具的类型 ,工作机理及它们之间的区别 ,一些著名商家的解决方法亦将作为例子给出。
How to select suitable ECT tools is an inevitable problem for every data warehouse builder. In this paper, three types of ECT tools are introduced. Their working mechanisms and differences are also given. Besides, some leading vendors′ solutions are introduced as examples.
出处
《计算机应用》
CSCD
2000年第4期1-3,共3页
journal of Computer Applications
关键词
数据仓库
数据抽取
数据净化
数据转换
软件工具
data warehouse
data extraction
data cleanup
data transformation
software tools
