数据仓库及其设计

Data warehouse and its design

本文对数据仓库的概念、关键技术、设计过程和实施数据仓库时应避免的错误等方面做些探讨。传统的事务处理环境不适宜决策支持系统应用 ,因而产生数据仓库技术。数据仓库的关键技术分为数据的抽取。

In this paper we mainly deal with the date warehousing system, including:the basic concepts, key technology, design of the date warehouse and mistakes of avoiding in implementation. OLTP is not suitable for DSS. The key technique of the data warehouse is divided into the data's extract and transform,store and management,the data's performance and etc.