testsAndMisc/python_pkg/sql_drills/tests/solutions/10_window_topn.sql
Krzysztof kuhy Rudnicki ee78ae44cc
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Add sql_drills MySQL exact-match harness
Docker mysql:8.0.33 container, judge-style output grading, 12 original drills with live-verified references kept in tests only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzxdWZewj4WS5X6AZyjWDp
2026-11-01 21:13:18 +01:00

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SQL

SELECT dept, name, salary, rnk
FROM (
SELECT dept, name, salary,
DENSE_RANK() OVER (PARTITION BY dept ORDER BY salary DESC) AS rnk
FROM employees
) ranked
WHERE rnk <= 2
ORDER BY dept, rnk, name;