185. Department Top Three Salaries | SQL | LeetCode |

Опубликовано: 02 Июнь 2025
на канале: SheCodes

133

In this video, I walk you through solving LeetCode SQL problem 185: Department Top Three Salaries using the DENSE_RANK() window function. We'll dive into the SQL query step by step, focusing on how to rank employee salaries within each department and filter out the top three highest earners for each department.

What You’ll Learn:

How to use DENSE_RANK() to rank data without skipping numbers in case of salary ties.

The role of PARTITION BY to group data by department, and ORDER BY to sort salaries in descending order.

Using a Common Table Expression (CTE) to structure your SQL query for better readability.

How to combine JOIN operations to pull data from multiple tables efficiently.
This tutorial is great for anyone preparing for coding interviews or those who want to improve their SQL skills for handling complex data analysis tasks. By the end of this video, you’ll understand how to use window functions to solve problems involving ranking and filtering.

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