SQL Fiddle Alternatives

An online tool for testing, demonstrating and sharing database commands and scripts.

Free Online SQL Editor

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An online tool for testing, sharing and collaborating on SQL snippets

SQLBolt provides a set of interactive lessons and exercises to help you learn SQL

SQLZoo includes tutorials and reference to support people learning SQL. It features:

Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

Online compiler for many languages, including MySQL

SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing SQL code.

PHPize.online is a free online environment for quickly running, experimenting with and sharing PHP and SQL code.

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LearnJavaOnline.org is a free website that teaches java and six other programming languages.

SQL OnLine - (Test DB): SQLite, MariaDB / MySQL, PostgreSQL, MS SQL Server. User-friendly interface for data science. Online test SQL script. Online Open/Save SQLite file. Online view all table DB.