Apache Spark 3 for Data Engineering and Analytics with Python - Get the Right Time to Advertise

The video tutorial explores the optimal timing for displaying advertisements to maximize customer purchases. It involves extracting purchase hours from order data using SQL, caching queries, and counting orders per hour. The analysis identifies peak purchasing hours, and the data is visualized using line charts. Adjustments to the charts are made to ensure clarity and accuracy in representing the data.

What SQL functions are used to count the order IDs and group them by hour?

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How do we create a line chart based on the ordered data?

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