Скачать или смотреть One Step Further in Analysis by Advanced SQL Techniques

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In this video, we dive into an advanced SQL analytics scenarios. You’ll watch how to:
_Track year-over-year salary changes for an individual employee
_Compare current salary with previous and next records
_Calculate salary differences without complex joins or subqueries
_Apply window functions for real-world HR and compensation analysis

This type of analysis is widely used in HR analytics, business intelligence, and data-driven compensation reviews, and it’s a must-know skill for advanced SQL interviews and real production environments.

🧷 If you like, you can walk through the project's materials:
https://github.com/M3hrdad-Dehghan/an...
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Also, you can find more videos like this in the below playlists:
✔️    • Advanced SQL & Data Engineering  
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I'd be pleased if you see my profile:
🔶 https://github.com/M3hrdad-Dehghan
🔶   / mehrdad-dehghan