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Find the Second Highest Salary in SQL (Explained in 5 Minutes!)

One of the most frequently asked SQL interview questions is:
👉 "How do you find the second highest salary from a table?"

In this short and practical tutorial, you'll learn:

Multiple ways to find the 2nd highest salary in SQL

Best practices for writing efficient queries

Which method works best with NULLs and duplicates

A clear explanation using LIMIT, OFFSET, DENSE_RANK(), and subqueries

Whether you're preparing for a data engineering, data analyst, or backend developer interview — this question is a must-know!

🎯 Perfect for beginners and experienced SQL users brushing up on their skills.

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