$databases=$exdb->queryAllRecords("SELECT d.id, d.name, d.type, d.dom_id, d.db_server_id, d.default_user_id FROM databases as d");
$db_users=$exdb->queryAllRecords("SELECT u.id, u.login, u.account_id, u.db_id, a.password, a.type as `pwtype` FROM db_users as u LEFT JOIN accounts as a ON (a.id = u.account_id)");
// do we need table disk_usage for import? i think we don't