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L19: Meaning of NULL in SQL | IS NULL vs IS NOT NULL | Class 12 Semester 4 COMA & COMS 🎉
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YouTubeSubha Mondal
L19: Meaning of NULL in SQL | IS NULL vs IS NOT NULL | Class 12 Semester 4 COMA & COMS 🎉
In this video, I explain the meaning of NULL in SQL for Class 12 Semester 4 Computer Application and Computer Science students. You will clearly understand what NULL means, how IS NULL and IS NOT NULL work, and why NULL cannot be compared using operators. This lecture is exam-oriented and very helpful for practical, viva, and board exam ...
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