Advanced Window Functions | LeetCode 185: Department Top Three Salaries | SQL Interview Hard

How do you find the "Top N" items per group? In this TextroVert deep dive, we solve LeetCode 185, a high-frequency "Hard" problem. We'll show you how to extract the top 3 unique earners from every department in a company. •What you'll learn: • The power of DENSE_RANK() vs RANK(). • How to use a Common Table Expression (CTE) to clean up your logic. • Identifying "Top 3" logic using correlated subqueries for environments that don't support window functions. This is a must-know for FAANG interview preparation!