Which operator is specifically used to verify whether a column value contains a NULL entry? MCQ with Answer and Explanation

Which operator is specifically used to verify whether a column value contains a NULL entry?
A. IN NULL
B. = NULL
C. IS NULL
D. LIKE NULL
Answer: Option C
Solution (By JKSSB Mock Tests)
Because NULL represents an unknown value, it cannot be compared using the equality operator (=). Instead, the special 'IS NULL' operator must be used.

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