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Exam : 1Z0-007
Title : Introduction to Oracle9i: SQL
# QUESTION 1
Examine the data in the EMPLOYEES and DEPARTMENTS tables.
LAST_NAME DEPARTMENT_ID SALARY
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
FROM employees(+) e JOIN departments d
ON (e.department_id = d.department_id)