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176. Second Highest Salary - 第二高的薪水

编写一个 SQL 查询,获取 Employee 表中第二高的薪水(Salary) 。

+----+--------+
| Id | Salary |
+----+--------+
| 1  | 100    |
| 2  | 200    |
| 3  | 300    |
+----+--------+

例如上述 Employee 表,SQL查询应该返回 200 作为第二高的薪水。如果不存在第二高的薪水,那么查询应返回 null

+---------------------+
| SecondHighestSalary |
+---------------------+
| 200                 |
+---------------------+

题目标签:

题目链接:LeetCode / LeetCode中国

题解

Language Runtime Memory
mysql 136 ms N/A
# Write your MySQL query statement below
SELECT MAX(Salary) SecondHighestSalary FROM Employee WHERE Salary<(SELECT MAX(Salary) FROM Employee);