Software Alternatives, Accelerators & Startups

SqlInt VS DataLemur

Compare SqlInt VS DataLemur and see what are their differences

SqlInt logo SqlInt

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

DataLemur logo DataLemur

Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
  • SqlInt Practice Page
    Practice Page //
    2026-09-01
  • SqlInt Free Tools
    Free Tools //
    2026-09-01

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 right query. Whether you're starting your SQL journey or sharpening your existing skills, SQLint gives you a practical way to practice, experiment, learn from mistakes, and improve your query-writing skills. Practice SQL. Prepare. Solve interactive puzzles.

  • DataLemur Landing page
    Landing page //
    2023-10-20

SqlInt

Website
sqlint.com
$ Details
freemium $3 / One-off
Release Date
2026 September
Startup details
Country
India

DataLemur

Pricing URL
-
$ Details
freemium $5 / Monthly
Release Date
-

SqlInt features and specs

  • Interactive SQL Practice
    Write and run SQL queries in a hands-on environment
  • SQL Puzzles
    Solve interactive challenges that test your SQL problem-solving skills
  • Interview Preparation
    Practice SQL problems designed to build technical interview confidence

DataLemur features and specs

  • SQL Interview Questions
    200+
  • Data Science Interview Questions
    100+

Analysis of DataLemur

Overall verdict

  • DataLemur is a highly regarded platform for practicing SQL and data science interview questions, offering real-world problems from top tech companies along with clear explanations, making it a valuable resource for aspiring data professionals.

Why this product is good

  • Offers a large library of SQL and data science interview questions sourced from real companies like Amazon, Google, and Facebook
  • Provides an interactive in-browser code editor so you can write and test SQL queries without any setup
  • Includes detailed solutions and explanations to help users understand concepts, not just memorize answers
  • Founded by Nick Singh, a well-known figure in the data community, lending credibility to the content
  • Free access to many questions, with premium options for more advanced practice and structured learning

Recommended for

  • Aspiring data analysts, data scientists, and data engineers preparing for job interviews
  • Students and career changers looking to build practical SQL skills
  • Professionals wanting to brush up on data science and analytics interview questions
  • Anyone seeking real-world coding practice with company-specific interview problems

SqlInt videos

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Add video

DataLemur videos

Data Hiring Manager RANKS DataLemur, LeetCode, AnalystBuilder

More videos:

  • Review - DataLemur Laptop vs Mobile Viewership Solution | DataLemur SQL Interview Questions | Analyst Adithya

Category Popularity

0-100% (relative to SqlInt and DataLemur)
SQL
27 27%
73% 73
Data Analytics
41 41%
59% 59
Interview Preparation
0 0%
100% 100
Databases
100 100%
0% 0

Questions & Answers

As answered by people managing SqlInt and DataLemur.

How would you describe the primary audience of your product?

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.

Who are some of the biggest customers of your product?

SqlInt's answer

No major customers yet- SQLint is currently open to individual learners and developers.

Why should a person choose your product over its competitors?

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.

What makes your product unique?

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.

What's the story behind your product?

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.

Which are the primary technologies used for building your product?

SqlInt's answer

Only list technologies you're actually using. If your stack is: Next.js, React, TypeScript, and Supabase

User comments

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What are some alternatives?

When comparing SqlInt and DataLemur, you can also consider the following products

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

LeetCode - Practice and level up your development skills and prepare for technical interviews.

SafeQL - Write SQL Queries With Confidence

Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.

Sql Assist - Write faster and better SQL for your application.

StrataScratch - StrataScratch is a data science interview platform that has over 1000+ real interview questions from top tech companies like Facebook, Amazon, Google, and more.