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?

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.

What Does Null Mean? | The Word Counter

thewordcounter.com/meaning-of-null/
What does the word null mean? According to the American Heritage Dictionary of the English Language and Collins English Dictionary, the word null is an adjective that means invalid, or having zero quantities. You will often hear this word used in the phrase null and void when it comes to legal force. The pronunciation of null is nĘŚl.

A quick and thorough guide to 'null': what it is, and how you should use it

www.freecodecamp.org/news/a-quick-and-thorough-guide-to-null-what-it-is-and-how-you-should-use-it-d170cea62840/
Learn what null means in different programming languages, how it is implemented in memory, and when to use it or avoid it in your source code. This article explains null for reference types, not for value types, with examples in Java.

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 - 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.

Everything you wanted to know about $null - PowerShell

learn.microsoft.com/en-us/powershell/scripting/learn/deep-dives/everything-about-null?view=powershell-7.6     2025-04-16T00:00:00.0000000
What is NULL? You can think of NULL as an unknown or empty value. A variable is NULL until you assign a value or an object to it. This can be important because there are some commands that require a value and generate errors if the value is NULL.

A quick and thorough guide to 'null': what it is, and how ... - Medium

medium.com/free-code-camp/a-quick-and-thorough-guide-to-null-what-it-is-and-how-you-should-use-it-d170cea62840
What is the meaning of null? How is null implemented? When should you use null in your source code, and when should you not use it?

Null (SQL) - Wikipedia

en.wikipedia.org/wiki/Null_(SQL)
Null is a special marker in SQL to indicate that a data value does not exist in the database. Learn about its origin, semantics, propagation, comparisons and issues in database theory and practice.

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:
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