Data vs Null - What's the difference?
data | null |
English plurals: Pieces of information.
(uncountable, collectively) Information, especially in a scientific or computational context.
*
* {{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=76, magazine=(The Economist)
, title= (computing) A representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between data and null
is that data is (time) date while null is zero, nil; the cardinal number before einn.data
English
Alternative forms
* (electronics)Noun
(wikipedia data) (-) or plural noun- With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get
Snakes and ladders, passage=Risk is everywhere.
Usage notes
* This word is more often used as an uncountable noun with a singular verb than as a plural noun with singular datum. * The definition of data'' in the computing context is from aninternational standard vocabulary] and is meant to distinguish ''data'' from ''information. However, this distinction is largely ignored by the computing profession.[http://eprints.utas.edu.au/1957/1/Cm1My.pdf
Derived terms
* big data * databank * database * datasheet * data acquisition * data analysis * data domain * data element * data entry * data farming * data hiding * data integrity * data maintenance * data management * data mining * data modeling * data path, datapath * data processing * data recovery * data set * data sink * data source * data warehouse * metadata * primary data * raw dataReferences
* (The American Heritage Dictionary's usage note on 'data') *Calpundit: YOU SAY DAY-TA, I SAY DAA-TA*
John Quiggin: Data is not the plural of datum*
johnaugust.com: ‘Data’ is singular
null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.