Data Science SQL Mock Interview - Analyze Marketing Channels 

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Preparing for a data science interview that involves SQL? Join us for this mock interview where we will explore, "Which marketing channel has the most high-value customers?" Sharpen your SQL skills and prepare for your next data science interview.
This video demonstrates using SQL to identify the most effective marketing channels for an e-commerce site by analyzing data from attribution and user sessions tables. It covers techniques for calculating average purchase value, link click-to-purchase rates, customer lifetime value, and targeting high-value users.
0:00 Determine the most effective marketing channels
1:24 Find the average purchase value by channel
3:48 Reviewing query results
6:15 Find the customer lifetime value
9:20 Filtering for highest value users
12:10 Finding the first user interaction
14:19 Inner join high-value on f.user_id
16:30 Reviewing query results
16:45 Calculate % of customers by channel
18:54 Reviewing query results
19:34 Debrief and conclusion
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