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-- 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 null.
-- # Write your MySQL query statement below
selectmax(Salary) as SecondHighestSalary from Employee where Salary < (selectmax(Salary) from Employee)