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全部科目 > Oracle认证考试 > 1Z0-007

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 );

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