Doctrine Question?

[jcroot]

(i)\[code\]FROM User u LEFT JOIN u.Phonenumbers where u.level > 1\[/code\]What is \[code\]u\[/code\] , I assume it is just an ALIAS to \[code\]User\[/code\] ?(ii)\[code\]$profile = Doctrine_Query::create() ->from('Profile p') ->innerJoin('p.User u') ->where('p.id = ?', 1) ->fetchOne();\[/code\]What is \[code\]p\[/code\] and \[code\]u\[/code\] here ?Need to quickly learn Doctrine ?Please can anyone help ? Thanks for your TIme , Cheers !