db/migrate/20150523135547_add_addictional_to_users.rb
def change
		add_column :users, :bio, :text
		add_column :users, :age, :integer
		add_column :users, :gender, :string
	end
# No need to up and down, rails knows how to rollback
No need to up and down, rails knows how to rollback
No need to up and down rails knows how to rollback
def change
		add_column :users, :bio, :text
		add_column :users, :age, :integer
		add_column :users, :gender, :string
	end
def change add_column :users , :bio , :text add_column :users , :age , :integer add_column :users , :gender , :string end
No need to up and down, rails knows how to rollback
No need to up and down rails knows how to rollback