พนักงานชื่อโคบี้มีหน้าที่อะไร?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What is the role of the employee named Koby?It is not neccessary to use all the tables.
 ROLES:  (role_description [ VARCHAR ] role_code [ VARCHAR) ]
SELECT T1.role_description FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code WHERE T2.employee_name = "Koby"