The Interstellar Sales Tracker 9000 :Calculate Running Totals of Product Sales Revenue by Order Date Intermediate
Compute a running total of product sales by cosmic order date.
Xorthax wants to track cumulative revenue for each product. Calculate each sales row's revenue as quantity * unitprice, then calculate the running total by product in ordertimestamp, orderid, and orderdetailid order. Display the results in productid order using that same sequence.
Write Your Query
This reflects monitoring cumulative revenue growth for each product, similar to sales tracking in retail or e-commerce.
You will practice working with cumulative calculations, grouping by product, and ordering results by time.
This problem is labeled as Intermediate. It assumes you’ve written a few window function queries before, but you don’t need to be an expert. Use the hints and explanations if you get stuck — they’re there to help you think through the logic.
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