<p>Want to learn SQL? Here is a free online tutorial with a SQL client:
<a href="https://sqlzoo.net/wiki/SQL_Tutorial" target="_blank" rel="noopener nofollow">https://sqlzoo.net/wiki/SQL_Tutorial</a></p>
<p>It supports the following databases:</p>
<ul>
<li>MySQL</li>
<li>PosrgreSQL</li>
<li>Microsoft SQL</li>
<li>MariaDB</li>
</ul>


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Cyber Security

SQLZoo offers a free online tutorial for learning SQL with a built-in SQL client. It supports MySQL, PostgreSQL, Microsoft SQL, and MariaDB databases.

SQLZoo - learn SQL online