SELECT vu.user userId, vu.stamp, u.nickname, s.lastUpdate,
a.platform, a.browser, a.version, u.name user
FROM userSession s
JOIN visitUser vu ON vu.id = s.userVisit
JOIN visitAccess ac ON ac.id = vu.access
JOIN visitAgent a ON a.id = ac.agent
JOIN visit v ON v.id = a.visit
JOIN account.user u ON u.id = vu.user
ORDER BY lastUpdate DESC