Inside the DimProduct table, for each row in the UnitMargin calculated column, work out a value by subtracting values inside the UnitCost column from values in the UnitPrice column? Carrying on with the analogy, huge search engines could be deemed like fishing boats which can only "capture" websites close https://financefeeds.com/global-fx-market-summary-us-nonfarm-payrolls-nfp-ecb-us-china-trade-relations-6-june-2025/