ums/config/databases-sample.yml

dev:
  propel:
    param:
      classname:  DebugPDO

test:
  propel:
    param:
      classname:  DebugPDO

all:
  propel:
    class:        sfPropelDatabase
    param:
      classname:  PropelPDO
      dsn:        mysql:dbname=dbname;host=host_of_your_db
      username:   dbusername
      password:   dbuserpassword
      encoding:   utf8
      persistent: true
      pooling:    true
  session:
    class:        sfPDODatabase
    param:
      dsn:        mysql:host=dbhost;dbname=dbname
      username:   dbusername
      password:   dbuserpassword