
SQLZOO
DataLemur
LeetCode
The Odin Project
HackerRank
LiveEdu.tv
Codecademy
SQLBolt provides a set of interactive lessons and exercises to help you learn SQL

Gitmore.io
Waydev
LinearB
Swarmia
GitPrime
DevSummary turns GitHub activity into weekly engineering briefs delivered to Slack or email. Track shipped work, developer contribution, and feature progress in plain English.

Which is more popular?
Based on our record, SQLBolt seems to be more popular. It has been mentioned 125 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sqlbolt.com | devsummary.com |
| Pricing | — | |
| Company | — | Startup from India · 1 - 9 employees |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
SQLBolt is recommended for beginners who are new to SQL or those with limited experience who need a refresher on basic concepts. It is also useful for anyone who prefers learning through interactive and practical exercises rather than purely theoretical content.
No analysis of DevSummary yet.
Walkthroughs and reviews on video.
Learn SQL in 2 Hours | SQLBolt Solutions
No DevSummary videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SQLBolt and DevSummary.
DevSummary's answer:
DevSummary is for Founders, Technical Manager and Product Managers, who manage a team of developers
DevSummary's answer:
DevSummary analytics metrics are more close to a conversation that happens between a developer and their managers.
No jargon, reports are designed in such a way, that it feels like you are having a conversation with the developer directly
Share your experience with using SQLBolt and DevSummary. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Disclosure: I help build these simulators; they are part of 50+ free DevOps games and simulators. For more practice beyond them, SQLBolt and PostgreSQL Exercises are excellent and free, and SQL Murder Mystery is the most fun anyone has... - Source: dev.to / about 1 month ago
I hope this helps you with interview prep as it does to me. I find https://sqlbolt.com/ super helpful if you want to learn SQL queries in depth. Thanks! - Source: dev.to / 8 months ago
SQLBolt - Introduction to SQL - Browser-based interactive tutorial with progressive lessons and immediate practice exercises, offering a quick and practical way to learn SQL fundamentals directly in your browser without setup, though it... - Source: dev.to / 11 months ago
Tracking DevSummary since Sep 2026.
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Practice and level up your development skills and prepare for technical interviews.
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LinearB delivers software leaders the insights they need to make their engineering teams better through a real-time SaaS platform. Visibility into key metrics paired with automated improvement actions enables software leaders to deliver more.
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