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Meaning of NULL

Pronunciation:  nul

 
Computing Dictionary
 
 Definition: 

A special value used in several languages to represent the thing referred to by an uninitialised pointer.

A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value. Nulls are treated completely differently from ordinary values when evaluating SQL expressions and there are several SQL constructs for dealing with nulls.

 
Thesaurus Terms
 
 Related Terms: aimless, bad, bare, barren, bland, blank, bleached, characterless, clear, designless, devoid, empty, existless, featureless, garbled, hollow, importless, inane, ineffective, ineffectual, inefficacious, insignificant, insipid, invalid, lacking, meaningless, minus, missing, negative, nonconnotative, nondenotative, nonexistent, null and void, phatic, purportless, purposeless, scrambled, senseless, unexisting, unmeaning, unrelieved, unsignificant, useless, vacant, vacuous, void, white, with nothing inside, without being, without content, worthless
 

 

 

 

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