Advanced SQL Concept | Self Join Explained

In this video by Interview Analytics, we explain one of the most commonly asked SQL interview questions — how to use a Self Join to find each employee’s manager.

You’ll learn how the Self Join works in SQL, how to link a table to itself using an alias, and how this question is frequently asked in Business Analyst and Data Analyst interviews at top companies like Deloitte, TCS, and ZS Associates.

We’ll cover step-by-step logic, real-world examples, and interview tips so you can confidently solve this SQL question in your next interview!

📘 What You’ll Learn

✅ What is a Self Join
✅ How to join a table to itself using aliases
✅ Manager–Employee relationship query
✅ Common pitfalls and best practices
✅ SQL interview question walkthrough
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Видео Advanced SQL Concept | Self Join Explained канала Interview Analytics