In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries.

Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database.

Learn how to use the Azure Portal to create a cloud-based SQL database with just a few mouse clicks.

However, rather than replacing SQL, these databases added their own SQL-like languages that replicated some of the methods and approaches that SQL has ingrained into how developers work.