How to drop columns using Rails migration

Question

What\'s the syntax for dropping a database table column through a Rails migration?

Answer 1

remove_column in change method will help you to delete the column from the table.

class RemoveColumn < ActiveRecord::Migration
  def change
    remove_column :table_name, :column_name, :data_type
  end
end

Go on this link for complete reference : http://guides.rubyonrails.org/active_record_migrations.html

Answer 2

Heres one more from rails console

ActiveRecord::Migration.remove_column(:table_name, :column_name)