$model->author
$model->members

If you have to look it up, it makes the code much more difficult to read and maintain.

- [Chinese translation](http://www.yiiwiki.com/wiki/view/id/10/title/%E8%89%AF%E5%A5%BD%E7%9A%84%E6%9E%B6%E6%9E%84%28schema%29%E8%AE%BE%E8%AE%A1%E6%8C%87%E5%8D%97 "中文翻译")
 
- Russian version: [Руководство для проектирования хорошей схемы базы данных](http://phptime.ru/blog/yii/28.html)
 
- Japanese version: [DB スキーマ設計のガイドライン](http://qiita.com/items/63e68a0172a1d2f92b5c)