ORMs don't kill your database, developers do!
Guilherme Blanco(47:04) 
sourced from Symfony
Guilherme Blanco(47:04)
sourced from Symfony
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.
