数据仓库和数据挖掘 |
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引用本文: | 王利. 数据仓库和数据挖掘[J]. 计算机教育, 2004, 0(4): 72-72 |
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作者姓名: | 王利 |
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作者单位: | 首都经济贸易大学 教授 |
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摘 要: | Making a business decision using data from severaldifferent enterprise databases can be complicated. Data warehousesconsolidate data into a central repository and give you the OLAP toolsnecessary to retrieve data pertinent to the solution.DefinitionA data warehouse is used to consolidate this data into a central storeand to arrange it to make analysis easier, which means the data is lessnormalized than your traditional application database. Data is typicallytransferred in batch to the centra…
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关 键 词: | 数据仓库 数据挖掘 数据库 联机分析处理 OLAP |
Data warehouses and Data mining |
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