Fifth normal form

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Fifth normal form

Quality:

Fifth normal form - database normalization form designed to remove final redundancy in relational databases recording multi-valued facts by isolating semantically related multiple relationships. Article "Fifth normal form" in English Wikipedia has 12.7 points for quality (as of July 1, 2025). The article contains 2 references and 5 sections.

This article has the best quality in Russian Wikipedia. However, this article is the most popular in English version.

Since the creation of article "Fifth normal form", its content was written by 54 registered users of English Wikipedia and edited by 102 registered Wikipedia users in all languages.

The article is cited 26 times in English Wikipedia and cited 93 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #10770 in July 2002
  • Global: #12249 in July 2002

The highest popularity rank from 2008:

  • Local (English): #184678 in November 2009
  • Global: #230774 in March 2011

There are 7 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Russian (ru)
Пятая нормальная форма
15.1434
2Chinese (zh)
第五范式
14.4442
3English (en)
Fifth normal form
12.6971
4Norwegian (no)
Femte normalform
10.9787
5Hungarian (hu)
Ötödik normálforma
10.8638
6Spanish (es)
Quinta forma normal
9.506
7Ukrainian (uk)
П'ята нормальна форма
7.2715
More...

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

Most popular in all the time

The most popular language versions of the article "Fifth normal form" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Fifth normal form
570 883
2Spanish (es)
Quinta forma normal
170 793
3Russian (ru)
Пятая нормальная форма
146 888
4Chinese (zh)
第五范式
9 669
5Ukrainian (uk)
П'ята нормальна форма
7 920
6Hungarian (hu)
Ötödik normálforma
787
7Norwegian (no)
Femte normalform
112
More...

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

Most popular in June 2025

The most popular language versions of the article "Fifth normal form" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Fifth normal form
1 388
2Russian (ru)
Пятая нормальная форма
269
3Spanish (es)
Quinta forma normal
147
4Chinese (zh)
第五范式
67
5Hungarian (hu)
Ötödik normálforma
35
6Ukrainian (uk)
П'ята нормальна форма
18
7Norwegian (no)
Femte normalform
9
More...

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

The highest AI

Language versions of the article "Fifth normal form" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Fifth normal form
54
2Spanish (es)
Quinta forma normal
16
3Russian (ru)
Пятая нормальная форма
15
4Ukrainian (uk)
П'ята нормальна форма
7
5Chinese (zh)
第五范式
5
6Hungarian (hu)
Ötödik normálforma
4
7Norwegian (no)
Femte normalform
1
More...

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

The highest AI in June 2025

Language versions of the article "Fifth normal form" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Fifth normal form
0
2Spanish (es)
Quinta forma normal
0
3Hungarian (hu)
Ötödik normálforma
0
4Norwegian (no)
Femte normalform
0
5Russian (ru)
Пятая нормальная форма
0
6Ukrainian (uk)
П'ята нормальна форма
0
7Chinese (zh)
第五范式
0
More...

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

The highest CI

Language versions of the article "Fifth normal form" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Fifth normal form
26
2Norwegian (no)
Femte normalform
18
3Ukrainian (uk)
П'ята нормальна форма
16
4Spanish (es)
Quinta forma normal
13
5Russian (ru)
Пятая нормальная форма
10
6Chinese (zh)
第五范式
9
7Hungarian (hu)
Ötödik normálforma
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Fifth normal form
esSpanish
Quinta forma normal
huHungarian
Ötödik normálforma
noNorwegian
Femte normalform
ruRussian
Пятая нормальная форма
ukUkrainian
П'ята нормальна форма
zhChinese
第五范式

Popularity rank trends

Best Rank English:
#184678
11.2009
Global:
#230774
03.2011

AI rank trends

Best Rank English:
#10770
07.2002
Global:
#12249
07.2002

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Fifth normal form from Wikipedia articles about Database normalisation, Fourth normal form, Sixth normal form, Third normal form and Liberal paradox. Whereas reading the article about Fifth normal form people most often go to Wikipedia articles on Sixth normal form, Database normalisation, Fourth normal form, Join dependency and Superkey.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 12 August 2025

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

About WikiRank

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