What is Null Value in Programming ? | #shorts

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👉 A null value in programming represents the absence of a value or the lack of data in a variable or field. It is a special marker used to indicate that a variable has not been initialized or that a database field does not contain any valid data.

Definition:

A null value is a special value used in programming to denote that a variable, field, or object reference does not point to any valid data or object. It signifies that the value is undefined, unknown, or missing, rather than being explicitly set to a specific value like zero or an empty string.

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