SQLCrab
Practice SQL. Real interview questions, graded instantly.
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SQLCrab: practice real SQL interview questions in your browser on a real Postgres engine. Free tutorial, concept cards, sandbox, and graded labs, no setup.
PH · launched Sep 27, 2026 · 3 upvotes (top 11%) · 1 view
Niche: technical interview prep platforms · 94 launches, 5 in the last 7 days ▼ -50% · Explore this niche →
Category and tags
- Education
- Vertical SaaS
- B2C
- Not AI
- Commercial product
- Education
- Tech
- Database
Visit website ↗ Source listing ↗
More like this: all 94 launches in technical interview prep platforms →
Could you build this?
Yes An interactive SQL learning platform can be built by running Postgres in WebAssembly (e.g., PGlite) directly in the browser alongside standard curriculum and UI components.
Competitors
Other products that read as similar to this one : 177 launches clear the similarity bar, closest 8 shown.
Attention rank: #17 of 178 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 331 days after the earliest competitor.
- PostgreSQL Academy · ph · 2026-09-21 · 3 upvotes · similarity 0.52
- PostgreSQL course with database running in your browser · hn · 2026-07-19 · 6 upvotes · similarity 0.48
- SpeedQL · ph · 2026-09-28 · 1 upvotes · similarity 0.47
- sqlint · ph · 2026-09-06 · 1 upvotes · similarity 0.47
- pg-jev · github · 2026-09-17 · 274 upvotes · similarity 0.45
- Query Crack · ph · 2026-10-29 · 1 upvotes · similarity 0.45
- fastdata · ph · 2026-11-08 · 1 upvotes · similarity 0.45
- NLQueries · ph · 2026-11-05 · 2 upvotes · similarity 0.44
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.