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What is the meaning of Null Null?

Anonymous

∙ 13y ago

Updated: 12/11/2022

In mathematics, null mean zero value.

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In mathematics, the null set is the set without any members that is contained in every set.

In computing, null is used in some languages to mean 'no value'-in particular, not zero, not true and not false. (See, for example, SQL or PHP.)

In statistics, the word 'null' is most often used in the term 'null hypothesis'. Usually a null hypothesis is a statement claiming that a population parameter of interest equals a certain value. Then the alternative hypothesis might be that the parameter assumes values other than that given value.

Perhaps it may be said that the word null has various meanings, depending on context.

Wiki User

∙ 11y ago

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More answers

its just an programming error, null definition in Programming is to represent the thing referred to by an uninitialised pointer.

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∙ 13y ago

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Related Questions

What does null nullarbor mean?

Nullarbor - Latin , null meaning no or nothing. Arbor meaning trees etc. Nullabor means "no trees" Cause there are no trees on that blasted plain

In writing a paper what is the meaning of a null hypothesis?

The meaning of a null hypothesis when writing a paper is to produce a default or general position, in which case there is no relationship between the two phenomena to be measured.

Where does the surname Null come from?

The origin of the surname Null is Ireland. There is not a listed meaning for this last name and it first surfaced in the province of Ulster.

What is the meaning of null set?

A null set is a set that does not contain any elements, an empty set.

What is the meaning of null hypthesis being rejected?

You may want to prove that a given statistic of a population has a given value. This is the null hypothesis. For this you take a sample from the population and measure the statistic of the sample. If the result has a small probability of being (say p = .025) if the null hypothesis is correct, then the null hypothesis is rejected (for p = .025) in favor of an alternative hypothesis. This can be simply that the null hypothesis is incorrect.

What is the meaning of nullset?

A null set, also known as an empty set, is a set with no elements. It is denoted by the symbol Ø or { } and is considered a subset of all sets. The cardinality of a null set is zero.

If null is compared with null what is the result-true or false or null or unknown?

You mean SQL? NULL = anything IS NULL NULL <> anything IS NULL ... NULL IS NULL = TRUE NULL IS NOT NULL = FALSE

How do you get to the null in supersecret?

There is no null, it is just what it says when you log out. There is a null.

What is the difference between null in c and in oracle?

A NULL in C is a pointer with 0 value, which cannot be a valid address. A null in Oracle is the condition of not having a value, such as a field in a row being null, meaning that it does not have a value. This is not the same as zero - zero and null are two different things. Note, however, that Oracle does not differentiate between a null and a zero length string. This was an error in non-ANSI implementation made many years ago, but it has persisted because fixing it would impact too much "running" code.

How do you pronounce NULL?

"NULL" is usually pronounced as "null" (rhymes with "mull").

What is the subset of null set?

The null set. Every set is a subset of itself and so the null set is a subset of the null set.

What is is null?

main(){ char str[5]="hello"; if(str==NULL) printf("string null"); else printf("string not null"); }

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