摘要简要介绍了数据仓库的决策支持系统 ,对数据仓库的数据抽取方法进行了分析 ,比较详细地对数据仓库的数据抽取方法———DTS设计器进行了实例探索。and gave an example of DTS designer which is a very good method of data abstract in detail.
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