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.

What is the first step in determining which city sold the most products?

• Calculate the average product price

• Group data by city

• List all products

• Find the city with the least sales

Which SQL clause is used to group data by city?

• ORDER BY

• WHERE

• GROUP BY

• HAVING

In the SQL query, how are the results ordered to find the city with the most sales?

• Alphabetically by product name

• Ascending by city name

• Randomly

• Descending by total products

What type of chart is used to visualize the city sales data?

• Bar chart

• Pie chart

• Line chart

• Scatter plot

What is adjusted in the plot options to ensure values are grouped by city?

• Axis labels

• Chart type

• Color scheme

• Data source