What is the name and id of the staff who recorded the fault log but has not contacted any visiting engineers?
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
staff who recorded the fault log refers to JOIN between Staff and Fault_Log on staff_id and recorded_by_staff_id; staff who has not contacted any visiting engineers refers to EXCEPT operation with JOIN between Staff and Engineer_Visits on staff_id and contact_staff_id;