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

Mentimeter
Poll Everywhere
Kahoot!
AhaSlides
Glisser
Wooclap
Pigeonhole Live
Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.

Which is more popular?
Based on our record, SQLBolt seems to be a lot more popular than Sli.do. While we know about 125 links to SQLBolt, we've tracked only 1 mention of Sli.do.
Website, pricing, platforms and company facts side by side.
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| Website | sqlbolt.com | sli.do |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2012 |
| 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.
Overall verdict
Why this product is good
Recommended for
Sli.do is recommended for event organizers, educators, corporate trainers, webinar hosts, and conference managers. It is ideal for those looking to increase engagement in hybrid or virtual settings and for anyone seeking to make meetings and events more interactive and participant-focused.
Walkthroughs and reviews on video.
Learn SQL in 2 Hours | SQLBolt Solutions
What is Slido
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using SQLBolt and Sli.do. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of SQLBolt yet. Be the first one to post
Yet another highly rated tool, Slido helps you build interactive polls, quizzes or surveys. The tool is scalable and can cater their services to both individuals, and businesses. The participants don’t need to...
Slido shares many features with the other tools on this list. But it also lets your audience prioritize questions for Q&A sessions by upvoting/downvoting them – a concept that Reddit users will be familiar with. Also,...
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 / 26 days 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 / 7 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 / 10 months ago
Does anyone know of a open source self-hosted alternative to sli.do? Source: almost 5 years ago
When comparing SQLBolt and Sli.do, you can also consider the following products.

SQLZoo includes tutorials and reference to support people learning SQL. It features:
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a web-based polling tool for workshops, conferences & events
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Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
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Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
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Practice and level up your development skills and prepare for technical interviews.
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Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
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