select descUserCn, Nachname, Vorname, startTime AS LoggedOnTime, lastPingTime, 1 AS loggedon -- due of tblStatsPlatformSessions.durationSeconds is null allways logged on from tblStatsPlatformSessions inner join v_Users on v_Users.intUserCn=tblStatsPlatformSessions.user_id where tblStatsPlatformSessions.durationSeconds is null and v_Users.mandator_id=@current_mandator_id