Understanding NULL in SQL | What It Means and How to Handle It #sqltutorial #sql

What does NULL mean in SQL, and how should you handle it? 🤔
In this video, we break down everything you need to know about NULL values — a critical concept in SQL that often confuses beginners.

🎓 In this tutorial, you'll learn:
✅ What NULL actually represents
✅ How to filter and compare NULL values
✅ The difference between NULL and empty strings or zero
✅ Using IS NULL and IS NOT NULL
✅ Real-life use cases and examples

This is essential knowledge for anyone learning SQL, working with databases, or preparing for interviews!

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📌 Chapters:
Introduction
What is NULL in SQL?
Common Mistakes
Filtering with IS NULL
NULL vs Empty String
Practical Examples
Summary & Best Practices

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