How would you like to create your own type 3 JDBC (Java Database Connectivity) ... The application program calls JDBC methods in the client-tier objects implemented by the Driver.

Topics covered in this class include: effective use of the Java language, annotations, database connectivity (JDBC) and relational mapping, XML processing (JAXB), generics, multithreading, network ...

The core idea behind JPA as opposed to JDBC, is that for the most part, JPA lets you avoid the need to “think relationally.” In JPA, you define your persistence rules in the realm of Java code ...