List roles that have more than one employee. List the role description and number of employees.
CREATE TABLE ROLES (Id VARCHAR); CREATE TABLE Employees (Id VARCHAR)
[SQL] SELECT Roles.role_description, COUNT(Employees.employee_id) FROM ROLES JOIN Employees ON Employees.role_code = Roles.role_code GROUP BY Employees.role_code HAVING COUNT(Employees.employee_id) > 1 [/SQL]