unnested
Learn
Practice
Pro
Sign in
Revenue Rollup by Region and Country - Hard SQL CTEs Interview Problem | Unnested
Revenue Rollup by Region and Country
Hard
←
→
CTEs
Learn the concept
problem
submissions
Pro problem
Upgrade to Unnested Pro to unlock Medium and Hard problems.
View pricing
PostgreSQL
MySQL
Save failed
All tests passed
Test Cases
Output
Submit your query to see test results.
Log in to run
Log in to submit