Fourth normal form

Fourth normal form - normal form used in database normalization concerned with multivalued dependency. Article “Fourth normal form” in English Wikipedia has 16.8 points for quality (as of July 1, 2026). The article contains 3 references and 7 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2026 the article “Fourth normal form” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Fourth normal form”, its content was written by 51 registered users of English Wikipedia and edited by 102 registered Wikipedia users in all languages.

The article is cited 22 times in English Wikipedia and cited 96 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #10487 in July 2002
• Global: #11974 in July 2002

The highest popularity rank from 2008:

• Local (English): #133323 in November 2011
• Global: #171336 in November 2011

There are 8 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Fourth normal form		16.7881
2	Norwegian (no) Fjerde normalform		15.5959
3	Chinese (zh) 第四正規化		14.4018
4	Hungarian (hu) Negyedik normálforma		14.3054
5	Ukrainian (uk) Четверта нормальна форма		12.0382
6	Russian (ru) Четвёртая нормальная форма		9.3441
7	Spanish (es) Cuarta forma normal		8.6913
8	Vietnamese (vi) Dạng chuẩn 4		8.5323

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Fourth normal form" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Fourth normal form		902 058
2	Spanish (es) Cuarta forma normal		218 898
3	Russian (ru) Четвёртая нормальная форма		172 261
4	Chinese (zh) 第四正規化		26 025
5	Ukrainian (uk) Четверта нормальна форма		12 532
6	Vietnamese (vi) Dạng chuẩn 4		4 465
7	Hungarian (hu) Negyedik normálforma		1 392
8	Norwegian (no) Fjerde normalform		239

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Fourth normal form" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Fourth normal form		821
2	Russian (ru) Четвёртая нормальная форма		185
3	Chinese (zh) 第四正規化		101
4	Spanish (es) Cuarta forma normal		80
5	Hungarian (hu) Negyedik normálforma		14
6	Vietnamese (vi) Dạng chuẩn 4		10
7	Norwegian (no) Fjerde normalform		5
8	Ukrainian (uk) Четверта нормальна форма		4

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Fourth normal form" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Fourth normal form		51
2	Russian (ru) Четвёртая нормальная форма		18
3	Spanish (es) Cuarta forma normal		13
4	Chinese (zh) 第四正規化		6
5	Ukrainian (uk) Четверта нормальна форма		5
6	Hungarian (hu) Negyedik normálforma		4
7	Vietnamese (vi) Dạng chuẩn 4		4
8	Norwegian (no) Fjerde normalform		1

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Fourth normal form" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Fourth normal form		1
2	Spanish (es) Cuarta forma normal		0
3	Hungarian (hu) Negyedik normálforma		0
4	Norwegian (no) Fjerde normalform		0
5	Russian (ru) Четвёртая нормальная форма		0
6	Ukrainian (uk) Четверта нормальна форма		0
7	Vietnamese (vi) Dạng chuẩn 4		0
8	Chinese (zh) 第四正規化		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Fourth normal form" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Fourth normal form		22
2	Norwegian (no) Fjerde normalform		17
3	Ukrainian (uk) Четверта нормальна форма		17
4	Spanish (es) Cuarta forma normal		14
5	Chinese (zh) 第四正規化		13
6	Russian (ru) Четвёртая нормальная форма		9
7	Vietnamese (vi) Dạng chuẩn 4		4
8	Hungarian (hu) Negyedik normálforma		0

More...

#	Language	Value
en	English Fourth normal form
es	Spanish Cuarta forma normal
hu	Hungarian Negyedik normálforma
no	Norwegian Fjerde normalform
ru	Russian Четвёртая нормальная форма
uk	Ukrainian Четверта нормальна форма
vi	Vietnamese Dạng chuẩn 4
zh	Chinese 第四正規化

Best Rank

English: #133323 11.2011

Global: #171336 11.2011

Best Rank

English: #10487 07.2002

Global: #11974 07.2002

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information