This TOTD (Tip Of The Day) shows how to create a Persistence Unit (PU) for a MySQL database using NetBeans IDE. This PU can then be used in any of Java EE artifacts (JSP, Servlet, EJB, …) for database ...

JPA-based applications can't connect to a database on their own. Rather, they need help in terms of what credentials to use, which schema to seek, which JDBC driver to select and which annotated ...

The key to successful Hibernate transaction management is the JPA EntityManager. It's the only JPA component that can start transactions, commit transactions and hook into Hibernate transactions that ...

Like it or not, data is an integral part of any application, even cool object-oriented ones. Everything stops at the persistence layer, where Java developers traditionally have had to write complex ...

Studying annual growth rates (seasonal differences) in case of seasonal data produces much more persistence, autocorrelation and stronger evidence in favour of a unit root than analyzing seasonal ...