Následující ukázka je z konfiguračního souboru config/environment.rb

86      # Include your app's configuration here:
87 	
88 	# our primary keys are named <tablename>_id
89 	ActiveRecord::Base.set_primary_key do
90 	  "#{@table_name}_id"
91 	end
92 	
93 	ActiveRecord::Base.pluralize_table_names = false
94 	ActiveRecord::Base.set_inheritance_column do
95 	  'activerecord_stinks'
96 	end