You are asked to explain how to use a CTE chain to break a complex marketplace analysis into smaller, readable SQL stages. Focus on how you would structure the logic, why each stage exists, and how the approach helps with debugging and maintaining the query.
You are asked to explain how to use a CTE chain to break a complex marketplace analysis into smaller, readable SQL stages. Focus on how you would structure the logic, why each stage exists, and how the approach helps with debugging and maintaining the query.
