Find the 2nd/Nth Highest or Lowest Salary in SQL | Interview Questions Explained | SQL Tutorial
Welcome to Lecture 4 of the SQL Interview Preparation Series!
In this video, we will solve one of the most frequently asked interview questions in SQL:
👉 How to find the 2nd Highest or Nth Highest Salary from a table?
This topic is a must-know for SQL interviews, coding rounds, and technical tests.
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📌 What You’ll Learn in Just 14 Minutes:
How to find the 2nd Highest Salary in SQL
Different methods using:
🔹 LIMIT (MySQL)
🔹 TOP (SQL Server)
🔹 ORDER BY with OFFSET
🔹 RANK() and DENSE_RANK()
🔹 ROW_NUMBER() window function
How to find Nth Highest Salary (3rd, 4th, etc.)
Real interview questions and optimization tips
Common mistakes and how to avoid them
📘 This video is practical, beginner-friendly, and focused on real-world SQL queries asked in interviews.
🎯 Perfect for:
Students & freshers preparing for SQL interviews
Backend or data developers working with relational databases
Anyone looking to master advanced SQL query logic
💬 Drop your queries in the comments — I reply to each one to help you learn better!
Video Chapters (Timestamps):
00:00 - Introduction
00:45 - Why 2nd/Nth Highest Salary is an Important Interview Question
02:00 - Method 1: Using ORDER BY with LIMIT/OFFSET
04:20 - Method 2: Using ROW_NUMBER()
06:50 - Method 3: Using RANK() & DENSE_RANK()
09:20 - Handling Duplicate Salaries
11:00 - Nth Highest Salary Using Subqueries
13:30 - Interview Tips + Summary
Topics Covered:
Simple Query Using MAX and Subquery
Advanced Query Using COUNT(DISTINCT) to Find the Nth Highest Salary
Practical Example with an Employee Table
Finding the Nth Lowest Salary
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