【2020年8月】Oracle OCP 071考試新題(-13題)CUUG內部題庫
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我要咨詢【2020年8月】Oracle OCP 071考試新題(-13題)CUUG內部題庫
Choose the best answer.
Examine this statement which returns the name of each employee and their manager:
SELECT e.last_name AS emp, m.1ast_name AS mgr
FROM employees e
JOIN managers m
ON e.manager_id = m.employee_id
ORDER BY emp;
You want to extend the query to include employees with no manager. What must you add before JOIN to do this?
A) LEFT OUTER
B) RIGHT OUTER
C) CROSS
D) FULL OUTER
2020年8月份Oracle OCP 071考試新題-13題)CUUG內部題庫，釘釘群(35277291)Oracle金牌名師親自題庫解析
