SELECT T1.FirstName ,  T1.SupportRepId FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId  =  T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT(*)  >=  10
Please show the employee first names and ids of employees who serve at least 10 customers.
SELECT T1.FirstName , T1.SupportRepId FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT ( * ) > = 10
select t1 . firstname , t1 . supportrepid from customer as t1 join employee as t2 on t1 . supportrepid = t2 . employeeid group by t1 . supportrepid having count ( * ) > = value
Please show the employee first names and ids of employees who serve at least 10 customers .