回想一下之前演示的促销活动维度的PROMOTION_KEY例子。

Recall the PROMOTION_KEY example shown earlier for the promotions dimension.

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社会维度也开始在我们的信息管理和探索活动中扮演一个更加重要的角色。

The social dimension is also starting to play a more important role in our information management and discovery activities.

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维度建模最重要的活动之一就是捕获聚集路径或终端用户执行上卷和下钻所依照的聚集层次结构。

One of the essential activities of dimension modeling is to capture the aggregation paths or aggregation hierarchies along which end users perform roll-up and drill-down.

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