From the official description at http://en.oreilly.com/mysql2010/public/schedule/detail/12489
Slides – http://assets.en.oreilly.com/1/event/36/PHP%20Object-Relational%20Mapping%20Libraries%20In%20Action%20Presentation.pdf
If youre using or planning to use an Object-Relational Mapping (ORM) library for PHP, this talk is for you. Youll learn about the common ORMs, including Propel, Doctrine, Zend Framework, Solar, and more. This session will show you how to use an ORM in your application, including how ORMs work and relevant design patterns.
Additionally, well examine the potential pitfalls. ORMs are popular because they let programmers write clean, object-oriented code without needing to think about SQL, but there are both well-known and not-so-obvious ways that this can cause unexpected trouble. Well examine why you might be surprised by poor performance and other side effects if you use ORMs in their default manner or without understanding what they really do.
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