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1 篇
157_Power BI & Power Pivot 如何建立和维护维度表
在做 Power BI 或者 Power Pivot 项目的时候，在模型中有一类维度表。一般情况下我们会把维度粒度拆解到最小，这样才不会形成笛卡尔积造成数据的冗余。在实际的业务中，维度表的拆解倒是没有 ...