In using the MySQL Database, here is the default query in populating lists:
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select(array('name', 'email', 'username'))
->from($db->quoteName('#__my_users'))
->where($db->quoteName('user_id').'=42');
$db->setQuery($query);
$row = $db->loadRow();
How can I configure which database I want to use? I need to get data from a different database which in my case, Oracle.