我目前正在学习甲骨文1Z0-071认证的副考试。
我正在学习使用任意或全部的多个行子查询。
SELECT first_name, last_name, salary
FROM employees
WHERE salary >= any (select salary from employees where department_id='90')
SELECT first_name, last_name, salary
FROM employees
WHERE salary >= all (select salary from employees where depa