The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know?

Jun 12, 2018 · By Christian Neumanns 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? Introduction null is a …

Null (SQL) (or NULL), a special marker and keyword in SQL indicating that a data value does not exist, is not known, or is missing. Null character, the zero-valued ASCII character, also designated by NUL, …

Feb 16, 2019 · 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 …

Oct 28, 2025 · The null keyword refers to the null primitive value, which represents the intentional absence of any object value.

Sep 7, 2025 · 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 definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.

A null may function as a delimiter; for example, in C/C++, a null character is inserted at the end of a character string to mark the end of the text.

NULL definition: without value, effect, consequence, or significance. See examples of null used in a sentence.

Apr 16, 2025 · 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 …