试题详情
单项选择题 Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEES EMPLOYEE_ID NUMBER DEPARTMENT_ID NUMBER MANAGER_ID NUMBER LAST_NAME VARCHAR2(25) DEPARTMENTS DEPARTMENT_ID NUMBER MANAGER_ID NUMBER DEPARTMENT_NAME VARCHAR2(35) LOCATION_ID NUMBER You want to create a report displaying employee last names, department names, and locations. Which query should you use?（）

A、SELECT e.last_name, d. department_name, d.location_id FROM employees e NATURAL JOIN departments D USING department_id ;

B、SELECT last_name, department_name, location_id FROM employees NATURAL JOIN departments WHERE e.department_id =d.department_id;

C、SELECT e.last_name, d.department_name, d.location_id FROM employees e NATURAL JOIN departments d;

D、SELECT e.last_name, d.department_name, d.location_id FROM employees e JOIN departments d USING (department_id );

  • D

  • 关注下方微信公众号，在线模考后查看

热门试题