A Tour of SQL
Welcome to our SQL Online Lessons to learn sql online. The goal of these lessons is to support you to get started with learning sql immediately.

You will see a lot of sql query examples and can practice with our free online sql database. Every lesson is structured in the following way:

In the left window you will find an introduction to a new topic. In the right window, you will find a prepared SQL query that you can run.

You can just execute the query against the prepared MySQL database by clicking on Run query button in the right window. If you like to, try it out right now.

To move to the next lesson, please click on the Next lesson button at the top of the page.


select * from tbl_customers;