Interview prep
Two tracks. Coding questions drill SQL skills against realistic datasets, Easy → Very Hard. General questions span 12categories — behavioral, statistics, experimentation, product, case work, and more — the stuff hiring managers actually probe once the SQL screen is done.
Refine your data analyst skills with SQL interview questions drawn from the 7 patterns that cover ~80% of analyst screens — Top-N per group, running totals, self-joins, dedup, pivots, and more. Write queries against a real database and get graded instantly.
40questions · Easy → Very Hard · 12 free · 28 Pro
Designed to help you prep for real-world interview scenarios across 12categories — behavioral, statistics, experimentation, product, case work, and more. Hands-on with the kinds of challenges hiring managers actually use to assess candidates.
221 questions across 12 categories · 150 free · 71 Pro