Exploring Entity Inheritance Hierarchies in Database

Open a browser, go to JMX Console http://localhost:8080/jmx-console.

Go to Hypersonic SQL service and click on startDatabaseManager() as described here: Writing A Standalone Java Test Client for Entity Object.

Explore table contents for different inheritance strategies:

Congratulations ! In this tutorial we explored the ability of EJB 3.0 Entities to handle inheritance in a standard object-oriented way and still easily map to a relational database.

Professional hosting     Belorussian informational portal         Free SCWCD 1.4 Study Guide     Free SCDJWS 1.4 Study Guide     SCDJWS 1.4 Quiz     Free IBM Certified Associate Developer Study Guide     IBM Test 000-287. Enterprise Application Development with IBM WebSphere Studio, V5.0 Study Guide     Free Mock Exam Engine