laravel only update some fields not all code example

Example 1: update column value laravel

Page::where('id', $id)->update(array('image' => 'asdasd'));

Example 2: update column value laravel

$page = Page::find($id);

// Make sure you've got the Page model
if($page) {
    $page->image = 'imagepath';
    $page->save();
}