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ActiveRecord Tableless Models ----------------------------- <DEPRECATED_NOTICE> This library is no longer maintained and not recommended for general use. With Rails 3.0 on the way, and the new ActiveModel::Validations mixin, the library becomes worthless. Until Rails 3.0 is released you might want to consider looking at the excellent Validator  gem from Jay Fields that provides the same functionality (in terms of validations) but doesn't require ActiveRecord at all. I've updated the gemspec so that this gem will not work with ActiveRecord 3.0 or later. 1 - http://validatable.rubyforge.org/ This was my first gem ever, so it will be surely missed. </DEPRECATED_NOTICE> A single implementation of the ActiveRecord Tableless Model pattern for any Rails project or other Ruby project that uses ActiveRecord. Define a model like this: class ContactMessage < ActiveRecord::Base has_no_table column :name, :string column :email, :string validates_presence_of :name, :email end You can now use the model in a view like this: <%= form_for :message, @message do |f| %> Your name: <%= f.text_field :name %> Your email: <%= f.text_field :email %> <% end %> And in the controller: def message @message = ContactMessage.new if request.post? @message.attributes = params[:message] if @message.valid? # Process the message... end end end