PopSQL
Numeracy
Slack SQL
SQL Fiddle
Superintendent.app
DrawSQL
PouchDB
Data analysts training data analysts

DataGrip
SQL Developer
SQL playground
SQLPlayground.app
Run SQL in your browser with DuckDB-WASM. Explore sample tables, joins, execution plans, and custom data with zero setup; queries stay client-side.
Which is more popular?
Based on our record, SQL School seems to be more popular. It has been mentioned 19 times since March 2021.
Website, pricing, platforms and company facts side by side.
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SQL
SQL School
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|---|---|---|
| Website | thoughtspot.com | toolaska.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of SQL School yet.
Run SQL directly in your browser with Toolaska SQL Playground, a free online workspace powered by DuckDB-WASM. It loads sample relational datasets for employees, departments, projects, and orders, so you can explore queries, filters, aggregations, joins, and window functions without installing a...
What each product offers, as listed by its team.

Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing SQL School and Toolaska Sql Playground.
Toolaska Sql Playground's answer:
Toolaska SQL Playground runs DuckDB-WASM directly in the browser, so you can practice SQL without installing a database or creating an account. It combines guided query presets, realistic sample tables, CSV/JSON imports, query results, execution plan views, and a schema ER diagram in one workspace. Queries and sample data stay client-side in the browser.
Toolaska Sql Playground's answer:
The primary audience is people learning or practicing SQL: students, educators, developers, and data analysts who want a quick place to test queries. It is also useful for lightweight prototyping and exploring sample or imported CSV/JSON data without setting up a database server.
Toolaska Sql Playground's answer:
The SQL execution engine is DuckDB compiled to WebAssembly (DuckDB-WASM). The playground runs in the browser and uses client-side storage and processing for its sample and imported data.
Share your experience with using SQL School and Toolaska Sql Playground. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tutorials: Many websites offer free SQL tutorials and exercises, such as SQLZoo and Mode Analytics. Source: over 3 years ago
Follow this tutorial. Sign up for a free account and follow along in the Mode report editor. Solve all the practice problems along the way. Source: over 3 years ago
If you are looking to practice your SQL skills, I like Mode to give you a good understanding of the basics as well as the advanced concepts. In this situation, I would simply learn to the test. Source: almost 4 years ago
Tracking Toolaska Sql Playground since Oct 2026.
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