Null | Define Null at Dictionary.com
Null definition, without value, effect, consequence, or significance. See more.
Null | Definition of Null by Merriam-Webster
b: being or relating to a method of measurement in which an unknown quantity (as of electric current) is compared with a known quantity of the same kind and found equal by a null detector
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 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.
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.
null keyword (C# Reference) | Microsoft Docs
null (C# Reference) 07/20/2015; 2 minutes to read Contributors. all; In this article. The null keyword is a literal that represents a null reference, one that does not refer to any object.
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. Then, the field will be saved with a NULL value. Note: It is very important to understand that a ...
NULL - YouTube
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