text: class CreateCategoryNotifications < ActiveRecord::Migration
    def change
      create_table :category_notifications do |t|
        t.integer :user_id, null: false
        t.integer :category_id, null: false
        t.text :from_email, null: false
        t.text :from_name, null: false
        t.text :template_name, null: false
        t.text :locale, null: false
        t.timestamp :sent_at
        t.timestamps
      end
    end
  end
  