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, 2025). 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 language version.

Since the creation of article "Fourth normal form", its content was written by 51 registered users of English Wikipedia and edited by 104 registered Wikipedia users in all languages.

The article is cited 24 times in English Wikipedia and cited 106 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #10495 in July 2002
• Global: #11980 in July 2002

The highest popularity rank from 2008:

• Local (English): #132604 in November 2011
• Global: #170414 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, 2025 (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		16.8225
2	Norwegian (no) Fjerde normalform		15.6636
3	Chinese (zh) 第四正規化		14.4251
4	Hungarian (hu) Negyedik normálforma		14.3141
5	Ukrainian (uk) Четверта нормальна форма		12.8983
6	Russian (ru) Четвёртая нормальная форма		9.3288
7	Spanish (es) Cuarta forma normal		8.7726
8	Vietnamese (vi) Dạng chuẩn 4		8.5754

More...

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		888 827
2	Spanish (es) Cuarta forma normal		216 760
3	Russian (ru) Четвёртая нормальная форма		165 386
4	Chinese (zh) 第四正規化		24 660
5	Ukrainian (uk) Четверта нормальна форма		12 178
6	Vietnamese (vi) Dạng chuẩn 4		4 333
7	Hungarian (hu) Negyedik normálforma		1 227
8	Norwegian (no) Fjerde normalform		192

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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 2025

#	Language	Popularity award	Relative popularity
1	English (en) Fourth normal form		2 311
2	Russian (ru) Четвёртая нормальная форма		324
3	Spanish (es) Cuarta forma normal		169
4	Chinese (zh) 第四正規化		152
5	Ukrainian (uk) Четверта нормальна форма		44
6	Hungarian (hu) Negyedik normálforma		21
7	Vietnamese (vi) Dạng chuẩn 4		16
8	Norwegian (no) Fjerde normalform		11

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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		3

More...

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 2025

#	Language	AI award	Relative AI
1	Russian (ru) Четвёртая нормальная форма		1
2	English (en) Fourth normal form		0
3	Spanish (es) Cuarta forma normal		0
4	Hungarian (hu) Negyedik normálforma		0
5	Norwegian (no) Fjerde normalform		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		24
2	Norwegian (no) Fjerde normalform		18
3	Ukrainian (uk) Четверта нормальна форма		18
4	Spanish (es) Cuarta forma normal		15
5	Chinese (zh) 第四正規化		14
6	Russian (ru) Четвёртая нормальная форма		12
7	Vietnamese (vi) Dạng chuẩn 4		4
8	Hungarian (hu) Negyedik normálforma		1

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: #132604 11.2011

Global: #170414 11.2011

Best Rank

English: #10495 07.2002

Global: #11980 07.2002

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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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information