Candidates write and run queries in a hands-on environment, and grading compares the output with the expected result — from basic SELECT to joins and window functions.
| region | month | revenue | rk |
|---|---|---|---|
| Southeast | 2026-08 | 1,284,300 | 1 |
| South | 2026-08 | 642,910 | 2 |
| Northeast | 2026-08 | 508,120 | 3 |
| Midwest | 2026-08 | 311,480 | 4 |




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