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I have 3 ODS, so in order to create DWH, do I need a DWH for each ODSs, or the DWH select the tables from any of the ODSs?
DWH 的设计基于您的报告要求。任何数据源的数量和位置都完全无关紧要。
另外,请您解释一下“任何ODS的DWH选择Dim表”这句话是什么意思?对我来说没有多大意义