SELECT name FROM physician EXCEPT SELECT T2.name FROM appointment AS T1 JOIN physician AS T2 ON T1.Physician  =  T2.EmployeeID
Which physicians have never taken any appointment? Find their names.
SELECT name FROM physician EXCEPT SELECT T2.name FROM appointment AS T1 JOIN physician AS T2 ON T1.Physician = T2.EmployeeID
select name from physician except select t2 . name from appointment as t1 join physician as t2 on t1 . physician = t2 . employeeid
Which physicians have never taken any appointment ? Find their names .