Bases de datos MySQL SELECT u.username, FROM_UNIXTIME(u.lastlogin), FROM_UNIXTIME(u.lastaccess), TIMESTAMPDIFF(HOUR, FROM_UNIXTIME(u.lastlogin), FROM_UNIXTIME(u.lastaccess)) AS 'Hores' FROM prefix_user u 12 SELECT u.username, FROM_UNIXTIME(u.lastlogin), FROM_UNIXTIME(u.lastaccess), TIMESTAMPDIFF(HOUR, FROM_UNIXTIME(u.lastlogin), FROM_UNIXTIME(u.lastaccess)) AS 'Hores'FROM prefix_user u