Inheritance ActiveRecord on Rails

can I create Class Table Inheritance or Concrete Table Inheritance ?

I got this reference
http://wiki. rubyonrails. org/rails/ pages/SingleTableInheritance
but in some case I need to create Class Table Inheritance or Concrete
Table Inheritance, can anybody help me …

patch on
http://wiki. rubyonrails. org/rails/ pages/
ClassTableInheritanceInRails

ActiveRecordnya reference :
http://www.martinfowler.com/eaaCatalog/singleTableInher itance.html
http://www.martinfowler.com/eaaCatalog/classTableInheri tance.html
http://www.martinfowler.com/eaaCatalog/concreteTableInh eritance. html

thanks
– dhendy

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