Understand Recursive Queries and CTE in SQL | How to find all levels of Employee Manager Hierarchy

In this tutorial, we break down Recursive Queries and CTE (Common Table Expressions) in SQL Server with real-world examples and practical use cases. Whether you're a beginner or preparing for SQL interviews, this video offers a clear and easy-to-follow explanation of this essential database concept.

💡 What You'll Learn:
1️⃣ What is a Common Table Expression (CTE)?
2️⃣ How do Recursive Queries work in SQL Server?
3️⃣ Building an Employee Hierarchy using Recursive CTE: Step-by-Step Guide.
5️⃣Key SQL Interview Question on Recursive Queries and CTE, including max recursion limits

🚀 Highlights:
Beginner-friendly explanation with simple examples.
Hands-on demonstration of practical use cases.
Tips to optimize recursive queries for better performance.
Bonus: A commonly asked interview question explained.

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_Tutorials/blob/main/recursive_query.sql

Chapters
⏱️ Timestamps:
0:00 - Introduction
0:30 - What is a Common Table Expression (CTE)?
1:30 - Understanding Recursive Queries
2:00 - Step-by-Step: Building an Employee Hierarchy
3:50 - Explanation of max recursion and how to handle recursion limits

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