MySQL 入門實踐——「編程題實戰」

題目：查找員工編號emp_now爲10001其自入職以來的薪水salary漲幅值growth 作法1web SELECT ( (SELECT salary FROM salaries WHERE emp_no = 10001 ORDER BY to_date DESC LIMIT 1) - (SELECT salary FROM salaries WHERE emp_no = 10001 ORDE

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