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SQL Fiddle
What SQL Fiddle is
SQL Fiddle is a free, web-based SQL playground for learning and improving query skills. Its online compiler lets users write, edit, and execute SQL, then view results in real time. Supported databases listed on the homepage include SQL Server, SQLite, PostgreSQL, MySQL, MariaDB, Oracle, and Oracle PLSQL. Users can share fiddles publicly with colleagues to demonstrate concepts or collaborate. ChatGPT-powered assistance and a generator for insert and data-editing queries are available, although login is required for AI features. The service is ad-free and has backend runtime scope. It is described as useful for beginners and experienced professionals. Fiddle History is not yet available. The privacy notice says technical and organizational protections are used but complete security cannot be guaranteed, and automatic collection may include IP, browser, device, operating-system, and usage information. Submitted data is licensed broadly to ZZZ Projects.
Who it suits
SQL Fiddle suits beginners learning SQL and experienced professionals refining queries in a browser. It is useful when sharing executable examples or collaborating on SQL concepts across several listed database systems.
What it does well
- Free and ad-free
- Real-time query results
- Seven listed database systems
- Public fiddle sharing
- AI SQL assistance
What to know first
- AI features require login
- Fiddle History unavailable
- Submitted data receives broad license
- Complete transmission security not guaranteed
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| SQL Fiddle | Free to use · ad-free | Free |
As sqlfiddle.com lists them, read 9 Oct 2026. The maker's own page has the final word.
Verdict
SQL Fiddle provides a broad, free browser playground for writing, running, sharing, and improving SQL. Users should note the unavailable history feature, login requirement for AI tools, data-licensing terms, and stated security limits.
Facts from SQL Fiddle's own pages
- AI chat
- SQL Fiddle offers ChatGPT-powered SQL assistance, and users must be logged in to use AI features. · sqlfiddle.com, 9 Oct 2026
- AI query generator
- The site offers a SQL query generator for creating or editing insert and data-editing queries from the editor. · sqlfiddle.com, 9 Oct 2026
- Execution
- The site says users can test queries and see results in real time. · sqlfiddle.com, 9 Oct 2026
- Fiddle history
- The homepage says Fiddle History is not yet available. · sqlfiddle.com, 9 Oct 2026
- Free plan
- Yes · sqlfiddle.com, 20 Sept 2026
- Intended users
- The site describes the service as useful for beginners learning SQL and experienced professionals refining their skills. · sqlfiddle.com, 9 Oct 2026
- Maintainer
- The homepage identifies Jonathan Magnan, owner of ZZZ Projects, as SQL Fiddle's maintainer and says maintaining the site is his hobby. · sqlfiddle.com, 9 Oct 2026
- Privacy data
- The privacy notice says the service may automatically collect IP address, browser and device characteristics, operating system, and usage information. · sqlfiddle.com, 9 Oct 2026
- Purpose
- SQL Fiddle is an online SQL playground for learning and improving SQL skills. · sqlfiddle.com, 9 Oct 2026
- Security
- The privacy notice says the company uses technical and organizational measures to protect personal information, but cannot guarantee complete security of internet transmissions or stored information. · sqlfiddle.com, 9 Oct 2026
- Sharing
- Users can share SQL fiddles with colleagues to collaborate or demonstrate SQL concepts. · sqlfiddle.com, 9 Oct 2026
- SQL editing
- The site describes SQL Fiddle as an online compiler for writing, editing, and executing SQL queries. · sqlfiddle.com, 9 Oct 2026
- Submitted data terms
- The legal page says submitted data grants ZZZ Projects a perpetual, irrevocable, worldwide, royalty-free, non-exclusive license to use, reproduce, modify, publish, distribute, and display it. · sqlfiddle.com, 9 Oct 2026
- Support
- The site directs users to its GitHub issue tracker to report bugs and suggest features. · sqlfiddle.com, 9 Oct 2026
- Supported databases
- The homepage lists SQL Server, SQLite, PostgreSQL, MySQL, MariaDB, Oracle, and Oracle PLSQL. · sqlfiddle.com, 9 Oct 2026
Where SQL Fiddle stands on Freedom251
- Code Playground Software#41 of 58
- Coding Playgrounds#104 of 138