NULL Definition & Meaning - Merriam-Webster
Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal …
Null - Wikipedia
Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol …
c# - What does null! statement mean? - Stack Overflow
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 …
null - JavaScript | MDN - MDN Web Docs
Oct 28, 2025 · JavaScript is unique to have two nullish values: null and undefined. Semantically, their difference is very minor: …
Null (SQL) - Wikipedia
In the SQL database query language, null or NULL is a special marker used to indicate that a data value does not exist in the database.
Null - Glossary - MDN
Jul 11, 2025 · In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid …
NULL | English meaning - Cambridge Dictionary
NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
A quick and thorough guide to ‘null’: what it is, and how you should …
Jun 12, 2018 · The basic rule is simple: null should only be allowed when it makes sense for an object reference to have 'no value …
The Real Meaning of “Null”: Explained in Simple Words 2025
Nov 4, 2025 · At first glance, null means “nothing” — an empty state, a lack of value, or something that doesn’t exist. But the truth is, …
Null operators in C# - C# | Microsoft Learn
May 11, 2026 · C# provides several operators that make null-safe code concise. Instead of nesting if (x != null) guards throughout …