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SQL Tutorial

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SQL Online Editor (Compiler)


SQL Editor

With our online SQL editor, you can edit SQL statements, and view the result in your browser.


Example

SELECT * FROM Customers;
ID Company Contact Country
1 Alfreds Futterkiste Maria Anders Germany
2 Centro comercial Moctezuma Francisco Chang Mexico
3 Ernst Handel Roland Mendel Austria
Try it Yourself »

Click on the "Try it Yourself" button to see how it works.


Publish Your Code

If you want to create your own website, or web applications with a SQL Database, check out W3Schools Spaces.

W3Schools Spaces is a website-building tool that enables you to create and share your website.

In addition to a server, you get a SQL Database where you can store and access your data.

It's easy to use and doesn't require any setup.

The code editor is packed with features to help you achieve more:

  • Templates: Start from scratch or use a template
  • Cloud-based: no installations required. You only need your browser
  • Terminal & Log: debug and troubleshoot your code easily
  • File Navigator: switch between files inside the code editor
  • And much more!
Learn More

Learn Faster

Practice is key to mastering coding, and the best way to put your SQL knowledge into practice is by getting practical with code.

Use W3Schools Spaces to build, test and deploy code.

The code editor lets you write and practice different types of computer languages.

New languages are added all the time:

Languages
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If you don't know SQL, we suggest that you read our SQL Tutorial from scratch.


Easy Package Management

Get an overview of your packages and easily add or delete frameworks and libraries. Then, with just one click, you can make changes to your packages without manual installation.

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Build Powerful Websites

You can use the code editor in W3School Spaces to build frontend or full-stack websites from scratch.

Or you can use the 60+ templates available and save time:

Photographer website template
Blog website template
Webshop template
Tutor website template

Create your Spaces account today and explore them all!

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Share Your Website With The World

Host and publish your websites in no time with W3School Spaces.

W3Schools subdomain and SSL certificate are included for free with W3School Spaces. An SSL certificate makes your website safe and secure. It also helps people trust your website and makes it easier to find it online.

Want a custom domain for your website?

You can buy a domain or transfer an existing one and connect it to your space.

Learn More

How Does It Work?

Get started in a few clicks with W3School Spaces.