(I)

FROM User u 
LEFT JOIN u.Phonenumbers where u.level > 1

u, ben sadece bir ALIAS nedir farz edilir User?

(Ii)

$profile = Doctrine_Query::create()
  ->from('Profile p')
  ->innerJoin('p.User u')
  ->where('p.id = ?', 1)
  ->fetchOne();

Ne p ve u burada?

Need to quickly learn Doctrine ? Please can anyone help ? Thanks for your TIme , Cheers !