Meta Data Engineer interview questions

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1.Retrieve the top 10 customers who purchased the highest total number of books in 2019, considering only non-refunded sales. 2. Calculate the average total purchase amount segmented by customer reward membership status and whether the purchase was made during a defined season or non-season period. (Season - after Nov 15) 3.Determine what percentage of total book sales (by revenue) is contributed by the top 5 most expensive books. 4.Identify customers who have made purchases on more than one distinct day and bought a combined total of more than 3 books on their first and last purchase dates.