File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Object Relational Mapping and the fly likes JPA Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login

Win a copy of Android Security Essentials Live Lessons this week in the Android forum!
JavaRanch » Java Forums » Databases » Object Relational Mapping
Bookmark "JPA" Watch "JPA" New topic


Ravi kapa
Ranch Hand

Joined: Jan 05, 2012
Posts: 86
Hi i am learning JPA and i have basic doubt about why we go for JPA and what is the difference between rdbms and odbms.can anyone give some example so that i can understand easily..
James Sutherland
Ranch Hand

Joined: Oct 01, 2007
Posts: 553

In general RDBMS are much (much, much) more used than ODBMS. Even with an ODBMS you would still want a standard API to access it, and some ODBMS's also use JPA as there API.

TopLink : EclipseLink : Book:Java Persistence : Blog:Java Persistence Performance
I agree. Here's the link:
subject: JPA
Similar Threads
JPA book query
@JoinColumn Question
Specifications version for the JPA exam
I have to use EJB in my project. Where?
Using Hibernate EntityManager