Ad Revenue by Age Bucket

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

The ad monetization team is evaluating which user demographics drive the most revenue. Show the total ad revenue for each age bucket, with the highest-earning buckets first. Exclude users who have no age bucket on file.

Summary

Ad dollars, sliced by country.

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