Examine the data in the EMPLOYEES and DEPARTMENTS table

单项选择题

Examine the data in the EMPLOYEES and DEPARTMENTS tables.
EMPLOYEES
LAST_NAME DEPARTMENT_ID SALARY
Getz 10 3000
Davis 20 1500
Bill 20 2200
Davis 30 5000
Kochhar 5000
DEPARTMENTS
DEPARTMENT_ID DEPARTMENT_NAME
10 Sales
20 Marketing
30 Accounts
40 Administration
You want to retrieve all employees, whether or not they have matching departments in the departments table.
Which query would you use?（）

A. SELECT last_name, department_name FROM employees , departments(+);
B. SELECT last_name, department_name FROM employees JOIN departments(+);
C. SELECT last_name, department_name ON (e. department_ id = d. departments_id); FROM employees(+) e JOIN departments d
D. SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);
E. SELECT last_name, department_name FROM employees(+) , departments ON (e. department _ id = d. department _id);
F. SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e. department _ id = d. department _id);

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