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

Logseq
Obsidian
Zim Wiki
Nuclino
Trilium Notes
TiddlyWiki
Roam Research
Personal knowledge management and sharing on VSCode & GitHub
Which is more popular?
Based on our record, SQLBolt should be more popular than Foam. 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 | foambubble.github.io |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
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
Walkthroughs and reviews on video.
Learn SQL in 2 Hours | SQLBolt Solutions
These panels DESTROYED my STUDIO....REVERB? - ArrowZoom Foam Review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using SQLBolt and Foam. 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 / 4 days 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
Choose a local Markdown tool like Obsidian, Logseq, Foam, or Tolaria to store all your knowledge as plain .md files you own and control. - Source: dev.to / 6 months ago
I've been using foam instead of obsidian for my personal knowledge base. It works rather well. And it's completely free and ultimately just markdown. While I might wish it was djot, I don't wish hard enough to make that so myself... - Source: Hacker News / about 2 years ago
I gave up on Obsidian and just use Foam (https://foambubble.github.io/foam/) and/or vimwiki. I just can’t get into overwrought, arbitrarily designed organization schemes or proprietary apps (Foam-managed content is just plain Markdown,... - Source: Hacker News / over 2 years ago
When comparing SQLBolt and Foam, you can also consider the following products.

SQLZoo includes tutorials and reference to support people learning SQL. It features:
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
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A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
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Practice and level up your development skills and prepare for technical interviews.
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Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
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