摘要
介绍了数据仓库的背景、概念及其基本特征 ,分析了数据仓库的体系结构 ,并以数据仓库在粮食系统的应用为例提出了一个较完备的数据仓库系统应具备的能力 .
The background,conception and characteristics were introduced and the structure system of data warehouse was analyzed.The conditions of a completed data warehouse system were put forward as well according to some applications of data warehouse in grain system.
