mysql> select calendar.calId,calendar.cdate,lsUsers.userId,
apptActual.OPDID,count(*)
from calendar
LEFT JOIN apptActual on calendar.calId=apptActual.calendarId
LEFT JOIN lsUsers on lsUsers.userId=apptActual.OPDID
group by 1,2,3,4 order by 3
desc limit 10;
mysql> select calendar.calId,calendar.cdate,lsU