SQLAlchemy to ORM (relacyjny maper) baz danych dla pythona, konkurencyjny względem SQLObject.
Object-relational mapping (ORM, O/RM, and O/R mapping) in computer software is a programming technique for converting data between incompatible type systems in object-oriented programming languages. This creates, in effect, a “virtual object database” that can be used from within the programming language. There are both free and commercial packages available that perform object-relational mapping, although some programmers opt to create their own ORM tools...
Definicja przytoczona za – http://en.wikipedia.org/
