SqlInt

Browser-based SQL practice and interview-preparation platform with free client-side SQL tools.

SqlInt is a browser-based SQL practice platform offering 90+ interview questions with instant feedback, 16 story-driven puzzles running on PostgreSQL (PGlite), 20 real-world case studies, a 27-topic learning roadmap, and 12 free client-side SQL tools (linter, formatter, JOIN visualizer). Practice questions run on SQLite via sql.js entirely in the browser; CSV/Excel uploads become local in-browser tables. Free to start, with optional Pro packs from ₹199/mo unlocking the full question bank, all puzzles, and all case studies.

Category: Developer productivity
Pricing: freemium
Free tier: yes
API: no
MCP server: no
SDK: no
Open source: no

#sql #interview-preparation #learning #playground #sqlite #postgresql #browser-based

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Listed 2026-10-24 · last verified 2026-10-24 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9

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API

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