SQL Fiddle is an online tool that allows users to create and query various types of databases. It provides a graphical user interface for creating and querying a variety of databases, including MySQL, SQL Server, Oracle, PostgreSQL, and SQLite. It also allows users to share and collaborate on their databases with others. With SQL Fiddle, users can quickly test their ideas, experiment with different database structures, and troubleshoot issues with existing databases. It also allows users to run complex queries and view results in a tabular format. SQL Fiddle also provides users with a comprehensive library of sample databases to help them get started quickly.
Ideone does not support MySQL (or other SQL).