Object-relational mapping (ORM)
ORM is a mechanism that makes it possible to address, access and manipulate objects without having to consider how those objects relate to their data sources. ORM lets programmers maintain a consistent view of objects over time, even as the sources that deliver them, the sinks that receive them and the applications that access them change.
Through abstraction, ORM manages the mapping details between a set of objects and underlying relational databases, XML repositories or other data sources and sinks, while simultaneously hiding the often changing details of related interfaces from developers .
Object-relational mapping (redirect from O-RM)
Object-relational mapping (ORM, O/RM, and O/R mapping) in computer software is a programming technique for converting data between ...