Charles Lee

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Latest Articles from Charles Lee
The hope of using any persistence framework is absolute database independence. Database independence means that you can focus on your job as an application developer and not a DBA. However, no framework can fully make this claim. There's much more to running an application on a databas...
Migrating EJB 2.0 entity beans to Hibernate POJOs is pretty straightforward. Like many applications, all of the data for HQ is stored in the database, and we need to map from the underlying data store to an object-oriented view. In EJB 2.0, you would model that data with entity beans. ...
In late 2002, Javier Soltero, Doug MacEachern, Ryan Morgan, Jon Travis, and I (the eventual co-founders of Hyperic) began designing and architecting an application management system that was to become Hyperic HQ. We wanted it to be the management system that bridged the gap between ope...