Null means having no value; in other words null is zero, like if you put so little sugar in your coffee that it’s practically null. Null also means invalid, or having no binding force.

2 weeks ago - Look up Null, null, a-null, núll, or Nullus in Wiktionary, the free dictionary. ... 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, often ...

NULL = Empty or Undefined.

Answer (1 of 9): It depends o what you mean by null. It can have different meaning in different fields of programming. From wikipedia: * Null (SQL) (or NULL), a special marker and keyword in SQL indicating that something has no value * Null character, the zero-valued ASCII character, also des...

Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal or binding force," especially in the phrase "null and void."

January 7, 2026 - The 1986 SQL standard basically adopted Codd's proposal after an implementation prototype in IBM System R. Although Don Chamberlin recognized nulls (alongside duplicate rows) as one of the most controversial features of SQL, he defended the design of Nulls in SQL invoking the pragmatic arguments that it was the least expensive form of system support for missing information, saving the programmer from many duplicative application-level checks (see semipredicate problem) while at the same time providing the database designer with the option not to use Nulls if they so desire; for example, to avoid well-known anomalies (discussed in the semantics section of this article).

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

March 21, 2023 - You're wrong. Null means it is empty.

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.

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

Understand what null means in court, including types of nullities, causes, and key legal consequences. Learn how null contracts differ from voidable ones.

6 meanings: 1. without legal force; invalid; (esp in the phrase null and void) 2. without value or consequence; useless 3..... Click for more definitions.

The first is the elasticity of the control system linkage that, against a definable load, will permit sufficient deformation of the otherwise rigid link feedback loop to null the MPCU servo valve. The second factor is the application of a load sufficient to break loose the binding between the input shaft and bearing. The third factor is a loss of torque of the bearing in the standby rudder actuator housing to permit the rotation of the bearing and shaft together within the housing to compensate for the bound shaft. To form nulls, or into nulls, as in a lathe.

Answer (1 of 25): It means nothing. Most literally. It means that it has no meaning. It can best be understood when dealing with dates and numbers. Alpha-numeric NULL is awkward and not really accurate, as it differentiates between a blank string and the lack of value represented by NULL. With ...

June 12, 2018 - What’s important is that the content of A0A1 (which represents the value of variable name) is now 0000. So, variable name doesn't point to "Bob" anymore. The value 0 (all bits at zero) is a typical value used in memory to denote null. It means that there is no value associated with name.

nulls · Definition Source · All sources · Webster's New World · American Heritage · Wiktionary Word Forms Origin Adjective Verb Noun · Filter (0) adjective · Without legal force; not binding; invalid. Webster's New World · Similar definitions · Amounting to naught; nil.

Null represents the absence of content or elements in such constructs as InputField or Grid. When a sequence of commands ends with a semicolon, no output is shown: The full form of the output is Null: If you forget a semicolon in a program you may see output with Null in it: This is because the whitespace is interpreted as multiplication.

February 4, 2026 - In mathematics, the word null (from German: null meaning "zero", which is from Latin: nullus meaning "none") is often associated with the concept of zero, or with the concept of nothing. It is used in varying contexts from "having zero members in a set" (e.g., null set) to "having a value of ...