Have anyone read The Data Warehouse Toolkit, 3rd Edition written by Ralph Kimball and his colleagues? I signed up for a Data Warehouse course at my uni and my prof told me and my group to read Chapter 20 and summaries to him.
I've struggled to understand this schematic:
Can somebody give me a visual presentation of the DMR Extract, Usage1, Usage2, Fact_stage1, Fact_stage2, Fact_stage3, Fact_stage4 and Electric_Usage_Fact?
