（单选题）
Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMPLOYEES e, DEPARTMENTS d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）
Aselection, projection, join
Bdifference, projection, join
Cselection, intersection, join
Dintersection, projection, join
Edifference, projection, product
正确答案
答案解析
略
