update_column(name, value) Instance Public methods Equivalent to update_columns(name

update!(attributes) Instance Public methods Updates its receiver just like update

decrement!(attribute, by = 1) Instance Public methods Wrapper around decrement

increment!(attribute, by = 1) Instance Public methods Wrapper around increment

persisted?() Instance Public methods Returns true if the record is persisted

update_attribute(name, value) Instance Public methods Updates a single attribute

becomes(klass) Instance Public methods Returns an instance of the specified

becomes!(klass) Instance Public methods Wrapper around becomes

new_record?() Instance Public methods Returns true if this object hasn't been

destroyed?() Instance Public methods Returns true if this object has been destroyed