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QueryCase
Learn SQL by solving detective mystery cases
QueryCase teaches SQL through detective investigations, not exercises. Chief Fox briefs you on a case, you get a real database, and you write real SQL to crack it. The JOIN matters when a suspect has an alibi. 54 cases · Five detective ranks · Timed exams · Shareable certificates Free Sandbox: IMDB, Spotify, NBA, Steam, Pokémon data Investigations mode: no hints, countdown timer Runs entirely in the browser - nothing to install Rookie Detective path is completely free to try out!
Hey Product Hunt 👋
I've spent seven years as a data analyst watching people try to learn SQL the same way - filter a fake employees table, get a result, close the tab, forget everything by Thursday.
The problem isn't SQL. It's that there's never a reason to care about the answer.
QueryCase fixes that. You're a detective. Chief Fox briefs you on a case. You write real SQL to solve it. The JOIN matters when a suspect has an alibi. The query has a purpose.
Since launching just under three weeks ago: 350+ signups, 1500+ cases completed, and people have been reaching Senior Detective level within days of starting from zero.
What's live today:
- 54 cases from basic SELECT through to window functions and CTEs
- Duolingo-style drills between cases to reinforce concepts
- Five detective ranks with timed exams and shareable certificates
- Leaderboards and unlockable titles as you progress
- Free Sandbox with IMDB, Spotify, NBA, Steam, Pokémon and more to query freely
- Timed Investigations mode — no hints, just you and the evidence
- Runs entirely in the browser via DuckDB WASM, no setup required
Coming next week: Career Hub with FAANG-style SQL interview questions built around real company patterns.
The longer goal is to make QueryCase the centralised SQL platform for everyone; new learners, career switchers, and experienced analysts who want to stay sharp.
Rookie path is completely free. Happy to answer anything - the DuckDB implementation, the gamification decisions, anything about the build.
About QueryCase on Product Hunt
“Learn SQL by solving detective mystery cases”
QueryCase was submitted on Product Hunt and earned 10 upvotes and 1 comments, placing #64 on the daily leaderboard. QueryCase teaches SQL through detective investigations, not exercises. Chief Fox briefs you on a case, you get a real database, and you write real SQL to crack it. The JOIN matters when a suspect has an alibi. 54 cases · Five detective ranks · Timed exams · Shareable certificates Free Sandbox: IMDB, Spotify, NBA, Steam, Pokémon data Investigations mode: no hints, countdown timer Runs entirely in the browser - nothing to install Rookie Detective path is completely free to try out!
On the analytics side, QueryCase competes within Developer Tools, Data & Analytics and Online Learning — topics that collectively have 524.7k followers on Product Hunt. The dashboard above tracks how QueryCase performed against the three products that launched closest to it on the same day.
Who hunted QueryCase?
QueryCase was hunted by Conor. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of QueryCase including community comment highlights and product details, visit the product overview.
Conor