Run it to generate a new migration 1)rails generate migration add_price_to_product price:decimal
2)Added following to migration file class AddPriceToProduct < ActiveRecord::Migration def self.up add_column :products, :price, :decimal, :precision => 8, :scale => 2, :default => 0 end def self.down remove_column :products, :price end end rake db:migrate Then ran "rake db:migrate",it created a new columns in table products with name "price" ,but i didnt change the view(didnt create a filed with name "price") Why Thanks -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.