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oracle公司內(nèi)部數(shù)據(jù)庫(kù)培訓(xùn)資料06子查詢-文庫(kù)吧資料

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【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
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