Advanced SQL - Window Functions Explained | Ranking & Trend Analysis (Real Examples)
Автор: LearnCodingWithVinay-SQLForDevelopers
Загружено: 2026-02-17
Просмотров: 33
Описание:
In this video, we will learn SQL Window Functions with real-world practical examples.
We cover:
• ROW_NUMBER()
• RANK()
• DENSE_RANK()
• LAG()
• LEAD()
Instead of just theory, we use two powerful real-life scenarios:
1️⃣ Government Exam Result Ranking
– Overall rank
– Category-wise rank
– Understanding rank skipping vs continuous ranking
2️⃣ Gold Price Trend Analysis
– Comparing current price with previous day
– Using LAG to analyze daily change
– Using LEAD to compare next day price
– Practical financial data analysis
You will clearly understand:
✔ Difference between ROW_NUMBER, RANK, and DENSE_RANK
✔ When to use RANK vs DENSE_RANK
✔ Where LAG and LEAD are used in real projects
✔ How PARTITION BY works
✔ How window functions execute in SQL
This video is perfect for:
SQL Developers
Data Analysts
Backend Developers
Interview Preparation
Working Professionals
If you want to master SQL for real-world development, this is a must-watch session.
Subscribe to LearnCodingWithVinay – SQLForDevelopers for practical and structured SQL learning.
Check out my online Tutor-Led courses :
https://learncodingwithvinay.graphy.com
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