DynamicRecord extends the Ruby on Rails’ ActiveRecord
(AR) object-relational mapping (ORM) module, enabling creation of
dynamic attributes that look and behave like standard AR ones without
the need to add tables or columns to the database.
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DynamicRecord Presentation
1. DynamicRecord Jonathan Linowes Parkerhill Technology Group NH Ruby Group, January 15, 2009 Extending Rails' ActiveRecord with on-the-fly virtual attributes