Null | Define Null at Dictionary.com
Null definition, without value, effect, consequence, or significance. See more.
Null | Definition of Null by Merriam-Webster
Recent Examples on the Web: Adjective. Experiments capable of more exact measurements followed, all with the same null result. — Meg Neal, Popular Mechanics, "The Eternal Quest for Aether, the Cosmic Stuff That Never Was," 19 Oct. 2018 The main finding is that the thrust is in the right direction, and the null positions produce no thrust.
Null - definition of null by The Free Dictionary
null (nŭl) adj. 1. Having no legal force; invalid: render a contract null and void. 2. Of no consequence, effect, or value; insignificant. 3. Amounting to nothing ...
Null (SQL) - Wikipedia
Null (or NULL) is a special marker used in Structured Query Language to indicate that a data value does not exist in the database. Introduced by the creator of the relational database model, E. F. Codd, SQL Null serves to fulfil the requirement that all true relational database management systems (RDBMS) support a representation of "missing information and inapplicable information".
Null | definition of null by Medical dictionary
null (nul) 1. insignificant; having no consequence or value. 2. absent or nonexistent. 3. zero; nothing. null Molecular biology See Null mutation. Statistics Completely absent; a set with no members or of zero magnitude. If a field has a value of null, it means that the value is unknown. A null value is not the same as a value of zero, and the ...
Null legal definition of null - TheFreeDictionary.com
See also: dead, inactive, ineffective, ineffectual, invalid, lifeless, nugatory, vacuous, void NULL. Properly, that which does not exist; that which is not in the nature of things. In a figurative sense it signifies that which has no more effect than if it did not exist. 8 Toull.
Null dictionary definition | null defined
null definition: The definition of null is a zero value, or is something that is no longer valid or relevant. (adjective) When you have zero of something, this is an example of null. When a contract is voided, this is an example of a null contrac...
SQL NULL Values - IS NULL and IS NOT NULL
What is a NULL Value? A field with a NULL value is a field with no value. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field.
PHP: NULL - Manual
NULL. The special NULL value represents a variable with no value.NULL is the only possible value of type null.. A variable is considered to be null if: . it has been assigned the constant NULL.. it has not been set to any value yet. it has been unset().