【正文】
SELECT employee_id, last_name FROM employees WHERE salary = (SELECT MIN(salary) FROM employees GROUP BY department_id)。 SELECT department_id, MIN(salary) FROM employees GROUP BY department_id HAVING MIN(salary) (SELECT MIN(salary) FROM employees WHERE department_id = 50)。 Oracle Corporation, 2022. All rights reserved. 子查詢中的 HAVING 子句 ? 首先執(zhí)行子查詢。 Oracle Corporation, 2022. All rights reserved. SELECT last_name, job_id, salary FROM employees WHERE salary = (SELECT MIN(salary) FROM employees)。 Oracle Corporation, 2022. All rights reserved. SELECT last_name, job_id, salary FROM employees WHERE job_id = (SELECT job_id FROM employees