Скачать с ютуб Understand SQL Window Functions with Real-World Examples | SQL Window Function | Top Interview Qs в хорошем качестве

Understand SQL Window Functions with Real-World Examples | SQL Window Function | Top Interview Qs

In this tutorial, I’ll walk you through the most commonly used SQL Window Functions, complete with real-world examples and clear explanations. 📌 What You'll Learn: ✅ What are Window Functions? ✅ How to use ROW_NUMBER(), RANK(), and DENSE_RANK() ✅ Using NTILE() to divide data into buckets ✅ Comparing rows with LAG() and LEAD() ✅ Performing calculations with SUM(), AVG() in a window 📄 SQL Scripts Used in This Tutorial: All SQL scripts from the video are available on GitHub: 🔗 GitHub Repository for SQL Scripts https://github.com/touseef4pk/SQL_Tut... We’ll also cover why these functions are different from aggregate functions and how the term “window” plays a key role in their functionality. 📌 Timestamps: 00:00 – Introduction 00:40 – Explaining the Term “Window” 01:30 – What are Window Functions? 03:20 – ROW_NUMBER() Example 04:00 – RANK() and DENSE_RANK() Examples 04:30 – NTILE() Example 06:28 – LAG() and LEAD() Examples 07:32 – SUM(), AVG() Examples 07:55 – Conclusion and Tips 💡 This video is perfect for: Beginners who want to learn SQL Window Functions step-by-step Professionals preparing for SQL-related job interviews (frequently asked interview questions!) Anyone looking to enhance their SQL analytics and reporting skills 🔔 Don’t forget to: 👍 Like this video if you found it helpful 💬 Comment below with any questions or feedback 📢 Share it with your friends and colleagues ✅ Subscribe to my channel for more tutorials Watch My Other Videos How to Bulk Insert CSV Data into SQL Server Database Table | Step-by-Step Tutorial    • How to Bulk Insert CSV Data into SQL ...   Understanding Recursive Queries and CTE in SQL Server | Real-World Examples & Interview Tips    • Understanding Recursive Queries and C...   How to Create and Execute an SSIS Package in Visual Studio 2022 | Step-by-Step Tutorial    • How to Create and Execute an SSIS Pac...   Top 15 SQL Server Interview Queries | Popular SQL Queries for SQL Interview | Database Queries    • Top 15 SQL Server Interview Queries |...   8 SQL Server Query Optimization Tips | SQL Interview Tips    • 8 SQL Server Query Optimization Tips ...   #SQLWindowFunctions #SQLTutorial #SQLInterviewQuestions #DataAnalytics #LearnSQL #ROWNUMBER #RANK #LAGLEAD #SQL #Database