1. You should identify dimensions, map dimensions todata sources, and specify dimension hierarchies. For eachdimension, you should identify its data sources and attributes ineach data source. For hierarchical dimensions, you should indicatelevels from broad to narrow.
2. You should specify measures, related data sources andmeasure aggregation properties
I don’t understand what its asking me to do. could youplease provide a solution and explanation for theseproblems?
Thank you!
Pigure 1: ERD for Ratail itness Database Show transcribed image text
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