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

Exam.net
StudySpaces is a white-label tutoring and test prep platform with built-in SAT, ACT, etc. curriculum, auto-graded mock exams, and a branded student portal.
Which is more popular?
Based on our record, SQLBolt seems to be more popular. It has been mentioned 126 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sqlbolt.com | studyspaces.com |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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 StudySpaces yet.
Walkthroughs and reviews on video.
Learn SQL in 2 Hours | SQLBolt Solutions
No StudySpaces 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.


Share your experience with using SQLBolt and StudySpaces. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


The fastest way to make it stick is to run each query yourself. Start with the examples in this post, then move to SQLBolt. When you're comfortable, import a CSV you actually care about and try the same statements on it. Once you've... - Source: dev.to / 1 day ago
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 / 2 months 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
Tracking StudySpaces since Nov 2026.
When comparing SQLBolt and StudySpaces, you can also consider the following products.

SQLZoo includes tutorials and reference to support people learning SQL. It features:
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A platform for creating and conducting exams and assessments.
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Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
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Practice and level up your development skills and prepare for technical interviews.
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How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
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HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
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