The other is to store the operational keys and, if necessary, time stamps as attribute data on the dimension.
另一种就是存储操作键，并且在必要时，存储时间戳作为维度上的属性数据。
2
Predicates can be applied to any attribute of a dimension in a cube model.
谓词可以应用于多维数据集模型中维的任何属性。
3
If the revenue is required to roll up for the product size, the model may need to be changed to include replace the attribute with a physical dimension within the model.