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NOT NULL Constraint in SQL Explained | DBMS Basics for Beginners and MSc Students
Learn one of the most important database rules in SQL – the NOT NULL constraint – explained in a simple and clear way for beginners, BSc, and MSc students. In this video, we cover the concept of the NOT NULL constraint in DBMS, which ensures that a column cannot store empty or missing values. This is one of the most commonly used ...
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