Where can I find the setting [key: value] pairs for yaml files to be used in symfony

I have just started learning symfony. Where can I find the settings for defining the table relations and all the switches that I can use for defining the various settings in yml file开发者_如何学运维s.

For example:

All the settings that can be given for defining the database (schema.yml)

Settings related to view.yml , what other values and flags can be used.

check The symfony Reference Book.

Update:

The YAML Schema Files syntax can be found in Doctrine ORM documentation.

Regards.