NOT NULL Constraint in SQL | NOT NULL | SQL |CONSTRAINT |Beginner Friendly SQL Tutorial
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NOT NULL Constraint in SQL | NOT NULL | SQL |CONSTRAINT |Beginner Friendly SQL Tutorial
Learn what the NOT NULL constraint is in SQL and why it's important in database design! In this video, I’ll explain how NOT NULL ensures data integrity, show real-world examples, and demonstrate how to apply it during table creation and modification. 📌 Topics Covered: What is NOT NULL constraint? Why use NOT NULL? How to add NOT NULL in ...
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