Master SQL Window Functions | Window Aggregate Functions Part-2 | SQL Tutorial

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SQL Window Functions Explained In-Depth | A must-know topic for anyone preparing for SQL interviews!

🔍 What you’ll learn:
What are Window Functions
Use of ROW_NUMBER
Syntax of Window Functions
Role of Group By
Role of PARTITION BY
Role of ORDER BY
PARTITION BY on multiple columns
ORDER BY on multiple columns
Window Function Summary
Find top salary by department
Group By vs Window Functions
ROW_NUMBER with Example
Use case for Row number on retail_db tables
LEAD Function
LAG Function
Aggregate Window functions

📝 Notes

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