ORM

Object-Relational Mapping

Often built into Web App Framework-s like Django and Ruby On Rails

2006-08-10-NewardOrmVietnam

Aug'2011: Giles Bowkett links to a couple discussions about when Active Record gets in your way.

Lots of Scalability discussions suggest using an RDBMS but not using any actual relational features (esp foreign keys), and even doing joins in your code. This allows you to store different tables on different RDBMS servers. But this is a pain with an ORM.

Jul'2011: Armin Ronacher compares SqlAlchemy and the Django ORM.

Hiber Nate is for Java


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