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如何创建一个成功的数据仓库(data warehouse) (想了解数据仓库的人士快看）
来源：不详 作者 佚名 点击数： 录入时间：07-12-19 21:30:05
如何创建一个成功的数据仓库(data warehose),下面的故事将告诉你！
The company's first data warehouse project began with a casual conversation between several executives on their way to lunch. The people involved were the IT manager for decision support as well as several members of a department that had just decided to install a data warehouse. They had planned to install their data warehouse without any involvement from the IT department; nonetheless, the following conversation ensued:
"We urgently need a data warehouse to analyze our data!""In that case, why don't you take an OLAP tool with a multidimensional database? ""Is it possible to make the sales figures available to our sales people?""Yes, of course, that's no problem because of its Web capacity.""We need our answers very fast.""Performance isn't an issue, the data requested can be made available on a local server.""Great, when can we start our analyses?""Installing such a system shouldn't take more than a few weeks."
Encouraged by these casual tips from an expert, the department decided to build a data warehouse that corresponded exactly to its specific needs. Some months later, the data warehouse was installed according to the original specifications. After the first s[1] [2] [3] [4] [5] [6] [7] [8] [9] 下一页
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