Data Science Course Batch110 SQL Training : Session 7 скачать в хорошем качестве

Data Science Course Batch110 SQL Training : Session 7

🔥 Window Function in SQL | SQL Data Analytics Course In this video, you’ll learn one of the most powerful and important concepts in SQL for Data Analytics — Window Functions. Window functions allow you to perform calculations across a set of table rows related to the current row — without grouping the result. These functions are widely used in real-world data analysis, reporting, and dashboarding. 📌 What You’ll Learn in This Video: What are Window Functions in SQL Difference between GROUP BY and Window Functions Understanding OVER() clause Using PARTITION BY Using ORDER BY inside window functions Ranking Functions: ROW_NUMBER(), RANK(), DENSE_RANK() Aggregate Window Functions: SUM(), AVG(), COUNT() Real-world Data Analytics examples 💡 Window functions are heavily used in reporting, trend analysis, running totals, ranking reports, and advanced analytics projects. This video is part of our complete SQL Data Analytics Course, designed for beginners and aspiring Data Analysts. 🎯 Perfect for: Data Analytics Students Beginners learning SQL Working professionals upgrading skills Interview preparation If you want to build strong SQL fundamentals for Data Science, Data Analytics, or Business Intelligence, this session is a must-watch. 👉 Don’t forget to Like, Share, and Subscribe for more practical Data Analytics tutorials. #SQL #WindowFunction #DataAnalytics #LearnSQL #SQLForBeginners #DataScience #BusinessIntelligence