题解 | #获取当前薪水第二多的员工的emp_no以及其对应的薪水salary#
获取当前薪水第二多的员工的emp_no以及其对应的薪水salary
http://www.nowcoder.com/practice/c1472daba75d4635b7f8540b837cc719
① 先选择出第二大的薪水
SELECT MAX(s.salary)
FROM salaries s
WHERE s.salary<(SELECT MAX(salary) FROM salaries )
② 内连接两个表，选择薪水=第二大薪水
SELECT e.emp_no,s.salary,e.last_name,e.first_name
FROM salaries s
INNER JOIN employees e ON e.emp_no=s.emp_no
WHERE salary =
(
SELECT MAX(s.salary)
FROM salaries s
WHERE s.salary<(SELECT MAX(salary) FROM salaries ))
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