rails add column code example
Example 1: how to add column to table rails
rails g migration add_description_to_users description:string
rails db:migrate
Example 2: how create migration rails
rails g migration AddPartNumberToProducts
Example 3: activerecord add column
class AddPartNumberToProducts < ActiveRecord::Migration[6.0]
def change
add_column :products, :part_number, :string
end
end
Example 4: rails model column
class AddColumnTitles < ActiveRecord::Migration
def up
add_column :titles, :place, :string
end
def down
remove_column :titles, :place, :string
end
end