NULL Definition & Meaning - Merriam-Webster

www.merriam-webster.com/dictionary/null
The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know?

Null - Wikipedia

en.wikipedia.org/wiki/Null
Null is a term that can have various meanings in science, technology, mathematics, arts, and people. It can refer to a zero value, a missing data, a null pointer, a null character, or a null device, among others.

c# - What does null! statement mean? - Stack Overflow

stackoverflow.com/questions/54724304/what-does-null-statement-mean
It can be used on a type to control Nullability, it is then called the "Null Forgiving Operator". Basically, null! applies the ! operator to the value null. This overrides the nullability of the value null to non-nullable, telling the compiler that null is a "non-null" type.

null - JavaScript | MDN - MDN Web Docs

developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/null     2025-10-28T00:00:00.0000000
The null keyword refers to the null primitive value, which represents the intentional absence of any object value.

NULL | English meaning - Cambridge Dictionary

dictionary.cambridge.org/dictionary/english/null
Null means having no legal force, no value or effect, or containing nothing. It can be an adjective, noun or verb in different contexts. See how to use null in sentences and compare it with related words.

0 - Wikipedia

en.wikipedia.org/wiki/0
0 (zero, / ˈziː.roʊ /) is a number representing an empty quantity. Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 results in 0, and consequently dividing by 0 is generally ...

What Is Null? - Computer Hope

www.computerhope.com/jargon/n/null.htm     2026-09-14T00:00:00.0000000
The concept of null and its significance in computing with our comprehensive definition, examples, and explanations. Learn how null differs from zero and empty.

Null - Glossary | MDN

developer.mozilla.org/en-US/docs/Glossary/Null     2025-07-11T00:00:00.0000000
In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid object or address. The meaning of a null reference varies among language implementations.

SQL NULL Values - IS NULL and IS NOT NULL - W3Schools

www.w3schools.com/sql/sql_null_values.asp
The IS NULL Operator The IS NULL operator is used to test for empty values (NULL values). The following SQL lists all customers with a NULL value in the "Address" field:

What is Null in Programming? Detailed Explaination

www.codeitbro.com/glossary/null
What is Null in Programming? Null is a special value in computer science that represents the absence of a valid value or object reference, serving as a placeholder to indicate that a variable, pointer, or reference does not currently point to any meaningful data or memory location.
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