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SQL FOR ZOMBIES
Get interview-ready with real SQL questions, story-driven puzzles, and case studies — all solvable right in your browser. Start practicing free today.

LeetCode
DataLemur
Datacamp
HackerRank
Codecademy
PrepNPlaced
SkillVee
StrataScratch is a data science interview platform that has over 1000+ real interview questions from top tech companies like Facebook, Amazon, Google, and more.

Which is more popular?
Based on our record, StrataScratch seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sqlint.com | stratascratch.com |
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| Company | Startup from India · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
No description of StrataScratch yet.
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of SqlInt yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Practice Writing SQL Queries on StrataScratch | How to Solve SQL Queries
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SqlInt and StrataScratch.
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
Share your experience with using SqlInt and StrataScratch. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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StrataScratch offers free data science interview questions and continues to release interview questions when they come out from companies. This ensures that you are always practicing your data science skills on...
Recommendations tracked on public social media and blogs since March 2021.


Tracking SqlInt since Sep 2026.
StrataScratch is focused on providing data analysis/science resources needed to land a job and resources for the first few years of your career. It has 600+ coding questions from real interviews where you can use SQL, python, or R. It... Source: over 3 years ago
I learned off of Mode Analytics SQL tutorial. It's free and I use it as a reference when I forget syntax. From there, my learning style is to grind on practical questions that I would get as a data analyst. So I would recommend... Source: over 3 years ago
There was a comment here about using Leetcode, Hackerrank, SQL fiddle, etc to keep learning SQL. However, if you're aim is to go into data analytics you need to go beyond learning syntax and understand edge cases and business context.... Source: over 3 years ago
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