MySQL is a widely used relational database management system (RDBMS).
MySQL is free and open-source.
MySQL is ideal for both small and large applications.Start learning MySQL now »
示例 in Each Chapter
With our online MySQL editor, you can edit the SQL statements, and click on a button to view the result.
Click on the "来试试吧" button to see how it works.
Learn by examples! This tutorial supplements all explanations with clarifying examples.
Test your MySQL skills at W3Schools!
At W3Schools you will find a complete reference of MySQL data types and functions: