DataLemur
SQLBolt
SQLCrab
SQL Police Department
SQL Play
HackerRank
SQLZOO
Entertaining way to learn SQL

DataLemur
HackerRank
LeetCode
SafeQL
Sql Assist
SQLBolt
Get interview-ready with real SQL questions, story-driven puzzles, and case studies — all solvable right in your browser. Start practicing free today.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
SQL
SQL FOR ZOMBIES
|
|
|
|---|---|---|
| Website | alexpineda.gumroad.com | sqlint.com |
| Pricing | — | |
| Company | — | Startup from India · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of SQL FOR ZOMBIES yet.
SQLint is an interactive SQL learning and practice platform built to help you learn SQL by actually solving problems. Practice real SQL queries, prepare for technical interviews, and challenge yourself with interactive SQL puzzles that require you to analyze data, think logically, and find the...
What each product offers, as listed by its team.

No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing SQL FOR ZOMBIES and SqlInt.
SqlInt's answer:
SQLint is primarily built for students, aspiring developers, developers improving their SQL skills, and anyone preparing for technical interviews that involve SQL.
SqlInt's answer:
No major customers yet- SQLint is currently open to individual learners and developers.
SqlInt's answer:
SQLint focuses on learning by doing. Users can practice SQL queries, prepare for interviews, and solve interactive puzzles in one place, making SQL practice more hands-on and engaging than simply following tutorials or reading documentation.
SqlInt's answer:
SQLint combines practical SQL practice with interactive puzzles, giving learners a more engaging way to build real query-writing and problem-solving skills. Instead of only learning SQL concepts, users learn by writing, experimenting, and solving challenges.
SqlInt's answer:
SQLint started with a simple idea: SQL is best learned by actually writing and solving queries. Instead of making learning purely theoretical, the goal was to create a practical and interactive place where people can practice SQL, make mistakes, solve problems, and improve their skills.
SqlInt's answer:
Only list technologies you're actually using. If your stack is: Next.js, React, TypeScript, and Supabase
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Practice real SQL interview questions in your browser on a real Postgres engine. Free tutorial, concept cards, sandbox, and graded labs.
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Practice and level up your development skills and prepare for technical interviews.
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