The mapping between Java objects and a relational database is achieved with the help of Java language metadata annotations and/or XML deployment descriptors (usually XML descriptors are optional).

Brian C. Dilley covers pitfalls, & strengths of using MongoDB ("a very approachable NoSQL solution"), and introduces MJORM. The MJORM project is an annotation free MongoDB Java ORM library. This ...

TierDeveloper 5.1 is an object-to-relational mapping and code-generation tool that maps objects to relational tables, generates .Net components for VB.Net and C#, and enables embedding of SQL ...

OK, I'm coming up soon on a few small to medium intranet/web site projects where we want to branch out from what we've been using to do object-relational mapping (don't ask; it sucks and you've ...

The Versant proposal would provide an implementation of its object-relational mapping (ORM) technology that is 100 percent compliant with the EJB 3.0 specification (JSR 220) and the Java Data Objects ...

Roberto Zicari, from ODBMS.org, collected interviews and stories from several users of Object/Relational mapping technologies. The main point of the cases was around "impedance mismatch" between ...

Its purchase of JDO Genie, a mapping product that also includes a set of design-time tools, will allow it to help enterprises cope with the flurry of standards being introduced into the data ...

A tale of dueling open-source projects for object-relational mapping may be brewing within Eclipse, with similar proposals floated by Versant Corp. and Oracle Corp. Versant plans to announce on ...

Object-Relational Mapping for the Masses Need a data access layer but want to save time and be more productive? Build a virtual layer within Microsoft's Visual Studio, and generate the data access ...