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

Fulfillment of the connectivity contract that allows the Java application to integrate with a back-end database is the promise the JPA persistence.xml file brings to fruition. What is the ...

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.

Space4J is a simple database system that will let you work with Java Collections in memory. Since memory is several orders of magnitude faster than disk for random access to data, Space4J provides ...