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

How to connect Java to a PostgreSQL database The steps required to connect a Java application to a PostgreSQL database follow the same pattern as other databases such as MySQL, SQLite and Microsoft's ...

Grafana is one of the most widely-used data visualization tools on the market. Learn how to connect Grafana to a remote MySQL database with this tutorial.

LibreOffice Base can make working with remote MySQL databases a snap. Jack Wallen walks you through the steps to make this happen.

Use repositories to cleanly separate persistence logic from your application code. Write, build, and run the example application using JPA to connect with a relational database.