Week By Week Report Analysis If you are a Data Warehouse Analyst, it might be a request from your manager, director or CEO to do a report to see the growth of a KPI during the time. How KPI “X” evolve during Years, Months, Dates , etc. The tricky part comes when you must do a week-by-week analysis. Let’s see below the steps that must be performed by Data Warehouse Analyst. Environment SQL Server 2019 Developer Edition. SQL Server Management Studio v18.10 Database: DWREAD Schema: FORMULA_STAG Table: RACES The table is from Kuggle Formula 1 World Championship (1950 - 2020) 👈 Steps We go to MS SQL Database and execute the following statement: SELECT @@DATEFIRST; This statement shows us that the first day of the week is Sunday (default). So, we understand that the week is [Sunday, Monday, …, Saturday]. All the dates between Sunday and Saturday is grouped into one week. Our table has a date column: date If we want to identify in which ...