There a number of pure Java SQL database systems develolpers can embed into applications. In this tip we introduce two open source projects, HSQLDB and Apache Derby.

When I run my Java code from Eclipse it works fine. When I run it from a terminal in the Windows Subsystem for Linux it says "No X11 DISPLAY variable was set,". It is set, I can echo it. I can ...

Need to use raw SQL with JPA and JPA? The Jakarta Persistence API's NativeQuery interface makes it possible to use Hibernate, SQL and JPA together in the same app.

This article provides Java programmers with techniques for utilizing Oracle9i's new object-oriented features such as inheritance, custom constructors, dynamic dispatch, array descriptors, and ...

Tony Patton discusses the merits of stored procedures versus placing SQL directly in the code. Find out which one is best for your particular situation.