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CBSE Class 12 Informatics Practices Question 36 of 79

MySQL SQL Revision Tour — Question 4

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Question 4

Is NULL value the same as 0 (zero) ? Write the reason for your answer.

Answer

No, a NULL value is not the same as 0 (zero) in SQL. In SQL, NULL represents a missing or unknown value and is a legal empty value. On the other hand, 0 is a specific numeric value representing the number zero.