Second Highest Salary QuestionEditorial Solution My Submissions
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Difficulty: Easy
Write a SQL query to get the second highest salary from the Employee table.

+----+--------+
| Id | Salary |
+----+--------+
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
+----+--------+
For example, given the above Employee table, the second highest salary is 200. If there is no second highest salary, then the query should return nul 使用order by limit查詢前兩條記錄的方法：select salary from emloyee order by salary desc limit 2; 答案：select max(Salary) as SecondHighestSalary  from Employee where Salary<(select max(Salary) from Employee);