摘要
ETL是数据仓库的重要环节,本文主要论述了ETL在数据仓库中的作用,以及通过对数据仓库概念、搭建数据仓库的难点、ETL在数据仓库中的位置和其实现过程的介绍论证了ETL在数据仓库中的重要性。
ETL is an important link in the data warehouse; this paper discusses the role of ETL in the data warehouse. Through introduction the concept of the DW and the difficulties of establishment the DW, as well as the location about ETL in the DW and the process of ETL demonstrated that the importance of ETL in the data warehouse.
出处
《科技信息》
2008年第18期82-82,64,共2页
Science & Technology Information
