just want to share my experience. Symfony-cmf-standard follow tutorial there.
before following this command
app/console doctrine:database:create
app/console doctrine:phpcr:init:dbal
app/console doctrine:phpcr:register-system-node-types
app/console doctrine:phpcr:fixtures:load
change you db configuration bia web/config.php or parameters.yml
on windows,
app/console doctrine:phpcr:fixtures:load
may fail, you can follow this link windows fix
good luck,