Apache Spark 3 for Data Engineering and Analytics with Python - Get the City that Sold the Most Products

The video tutorial addresses the question of which city sold the most products. It explains how to group data by city and calculate the sum of product quantities using SQL. The tutorial demonstrates executing a SQL query to identify the city with the highest sales, which is San Francisco. A bar chart visualization is created to represent the results, and the video concludes with a summary of the findings.

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