// Hacker Noon · 21 May 2026

Stop Grinding LeetCode SQL. Do This Instead.

- Stop grinding random SQL problems. Senior interviews test patterns, not volume. - Master ~7 core areas: window functions, gaps and islands, self joins, conditional aggregation, date/cohort logic, recursive CTEs, NULL handling. - Always explain the grain and your approach before writing SQL. - Trea...

Hacker Noon

@hacker-noon · Anton Ermak

hackernoon.com

Hacker Noon@hacker-noon