Oracle
1Z0-047 · Question #120
1Z0-047 Question #120: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine the description of the EMPLOYEES and DEPARTMENTS tables. You want to display the LAST_NAME for the employees, LAST_NAME for the manager of the employees, and the DEPARTMENT_NAME for the employees having 100 as MANAGER_ID. The following SQL statement was written: SELECT m.last_name "Manager", e.last_name "Employee", department_name "Department" FROM employees m JOIN employees e ON (m.employee_id = e.manager_id) WHERE e.manager_id=100 JOIN departments d ON (e.department_id = d.department_id); Which statement is true regarding the output of this SQL statement?
Exhibit
Options
- AThe statement would provide the desired results.
- BThe statement would not execute because the ON clause is written twice.
- CThe statement would not execute because the WHERE clause is wrongly placed.
- DThe statement would not execute because the self join uses the ON clause instead of the USING clause.
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