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data extraction and integration
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data extraction and integration
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data extraction and integration
数据抽取与集成
数据抽取是指从源数据源系统抽取目的数据源系统需要的数据。数据集成是把不同来源、格式和特点的多个孤立数据源在逻辑上或物理上进行集中和融合,从而解决数据的分布性和异构性的问题,为企业提供全面的数据共享。在企业数据集成领域,通常采用联邦式、基于中间件模型和数据仓库等方法来构造集成的系统。
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