leetcode原文引用：
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How would you print just the 10th line of a file?
For example, assume that file.txt has the following content:
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
Your script should output the tenth line, which is:
Line 10
我的sql语句如下：
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SELECT d.name as department, e.name,e.salary
FROM Employee e JOIN Department d ON e.departmentid = d.id
and
(SELECT COUNT(DISTINCT (salary))
FROM
Employee
WHERE
departmentid = e.departmentid
AND salary > e.salary
) < 3
ORDER BY d.id ASC , e.salary DESC