Active Record connects business objects and database tables to create a persistable domain model where logic and data are presented in one wrapping.
It’s an implementatioistable domain model where logic and data are presented in one wrapping.
It’s an implementation of the object-relational mapping (ORM) pattern Active Record’s main contribution to the pattern is to relieve the original of two stunting problems: lack of associations and inheritance.
By adding a simple domain language-like set of macros to describe the former and integrating the Single Table Inheritance pattern for the latter, Active Record narrows the gap of functionality between the data mapper and active record approach.


Download from: Rubyforge




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admin
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Wednesday, June 4th, 2008 at 1:56 pm
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