SELECT T1.name FROM instructor AS T1 JOIN advisor AS T2 ON T1.id  =  T2.i_id GROUP BY T2.i_id HAVING count(*)  >  1
Find the name of instructors who are advising more than one student.
SELECT T1.name FROM instructor AS T1 JOIN advisor AS T2 ON T1.id = T2.i_id GROUP BY T2.i_id HAVING count ( * ) > 1
select t1 . name from instructor as t1 join advisor as t2 on t1 . id = t2 . i_id group by t2 . i_id having count ( * ) > value
Find the name of instructors who are advising more than one student .