Question: What is the name and id of the staff who recorded the fault log but has not contacted any visiting engineers?
SQL: SELECT T1.staff_name ,  T1.staff_id FROM Staff AS T1 JOIN Fault_Log AS T2 ON T1.staff_id  =  T2.recorded_by_staff_id EXCEPT SELECT T3.staff_name ,  T3.staff_id FROM Staff AS T3 JOIN Engineer_Visits AS T4 ON T3.staff_id  =  T4.contact_staff_id