As soon as you decide to use an ORM tool, one of the biggest factors is Rapid Application Development.
Everything is wonderful during development phase, but when it hits production, performance doesn't work like you expect.
You may think it's ORM's fault, your expected it to write as efficient queries as you manually do, but like guns, ORMs don't kill your database, developers do!
This talk will go deep into Doctrine 2 ORM by exploring performance tips that can save your application from its deepest nightmare.


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Nice presentation that gave me a more clearer view on some Doctrine aspects. You should consider submitting your talk to the Symfony Live. It will be usefull for lots of Symfony developers.

A good talk for Doctrine user to master it.

Rated 1

Anonymous at 19:40 on 1 Mar 2012

Poor presentation, worst of my life so far!

I came from sqlalchemy world, so slightly frowned upon the idea behind DQL but the rest of it is solid. Wished the presenter to delve more into cascade levels.