Question 1

Is SQL Quest free to use?

Accepted Answer

Yes. SQL Quest has a free tier with no credit card required. You can upgrade to Pro ($19/month, $99/year, or $199 lifetime) for unlimited access to all 200+ challenges.

Question 2

Does SQL Quest include real FAANG SQL interview questions?

Accepted Answer

SQL Quest focuses on the exact patterns Meta, Google, Amazon, Apple, and Netflix ask in data analyst and data engineer interviews, derived from analysis of hundreds of interview reports.

Question 3

Do I need to install anything to use SQL Quest?

Accepted Answer

No. SQL Quest runs entirely in your browser using WebAssembly-powered SQLite. There are no downloads, no installs, and no configuration. Works on Chrome, Firefox, Safari, and Edge.

Question 4

What SQL topics does SQL Quest cover?

Accepted Answer

SQL Quest covers window functions, CTEs, JOINs (inner, left, right, full, self), subqueries, aggregate functions, GROUP BY, HAVING, string functions, date functions, and advanced patterns like running totals, ranking, and gap analysis.

Question 5

How is SQL Quest different from LeetCode for SQL practice?

Accepted Answer

SQL Quest is laser-focused on SQL interview prep with an AI tutor built in. Every challenge is designed around real FAANG SQL interview patterns, and the AI gives personalised hints and explanations — not just pass/fail feedback.

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The SQL questions FAANG actually asks.

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