To map many to many associations in relational tables, ideally a new table is introduced with the object identifiers from both the main tables. For example: employee to department relationship.

For example, the object Address can be considered as an embeddable object for the entity Student. Entity relationships In a domain model, relationships depict association among entities.

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 ...

The Java language and platform offers a vast range of options when it comes to working with relational data, from raw JDBC to fully blown Object/Relational mapping (ORM) tools.

An ORM (Object Relational Mapping) tool is one that is used to abstract the data access logic of your application. You can use ORM to bridge the apparent mismatch between the data and the object ...

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 ...

Skipping an object-to-relational mapping step as well as the ability to react with quick updates were major factors in choosing Matisse. "Matisse is the database underpinning the entire system," he ...

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 ...