QuerydrillSecond highest salary
An SQL exercise from Querydrill. Solve it with a SQL editor in your browser, checked on the rows it returns and again on changed data, and it is checked the moment you submit.
The task
Return the second highest salary as a single value.
What this exercise teaches
Several approaches pass: a subquery on MAX, LIMIT 1 OFFSET 1 on distinct salaries, or DENSE_RANK.
A hint if you get stuck
Find the maximum among salaries that are below the overall maximum. Other approaches work too.
This exercise is part of Pro
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