Sun claims EJB Container Managed Persistence solves the impedance problem. How is this different?

Entity beans have the same issues as object relational mapping tools. Container Managed Persistence helps reduce the amount of coding relative to Bean Managed Persistence by hiding the SQL that is used to implement the basic CRUD (Create, Read, Update, Delete) functionality, potentially at the expense of flexibility. Regardless of the persistence strategy, the application developer has to write lots of code to solve the complete business problem because of the low level of abstraction and the complex architecture of entity beans.

More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.