Second normal form

en

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Second normal form

Quality:

Second normal form - database normalization requirement after first normal form. Article "Second normal form" in English Wikipedia has 13.4 points for quality (as of July 1, 2025). The article contains 1 references and 7 sections. The article also contains quality flaw template, which reduce quality score.

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

Since the creation of article "Second normal form", its content was written by 88 registered users of English Wikipedia and edited by 194 registered Wikipedia users in all languages.

The article is cited 21 times in English Wikipedia and cited 126 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #10493 in July 2002
  • Global: #11978 in July 2002

The highest popularity rank from 2008:

  • Local (English): #42110 in March 2013
  • Global: #62837 in March 2013

There are 13 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
1Serbian (sr)
Друга нормална форма
27.8432
2English (en)
Second normal form
13.3563
3Turkish (tr)
İkinci normal form
10.306
4Russian (ru)
Вторая нормальная форма
9.8534
5Norwegian (no)
Andre normalform
8.8669
6Korean (ko)
제2정규형
8.843
7Spanish (es)
Segunda forma normal
8.786
8Hungarian (hu)
Második normálforma
8.7658
9Ukrainian (uk)
Друга нормальна форма
7.7004
10Chinese (zh)
第二正規化
7.4345
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 "Second normal form" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Second normal form
2 133 928
2Russian (ru)
Вторая нормальная форма
452 444
3Spanish (es)
Segunda forma normal
432 986
4Chinese (zh)
第二正規化
127 553
5Vietnamese (vi)
Dạng chuẩn 2
35 983
6Ukrainian (uk)
Друга нормальна форма
33 601
7Korean (ko)
제2정규형
32 416
8Simple English (simple)
Second normal form
4 486
9Hungarian (hu)
Második normálforma
3 067
10Turkish (tr)
İkinci normal form
2 839
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 "Second normal form" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Second normal form
3 629
2Russian (ru)
Вторая нормальная форма
857
3Spanish (es)
Segunda forma normal
297
4Chinese (zh)
第二正規化
247
5Ukrainian (uk)
Друга нормальна форма
120
6Simple English (simple)
Second normal form
90
7Korean (ko)
제2정규형
54
8Vietnamese (vi)
Dạng chuẩn 2
42
9Hungarian (hu)
Második normálforma
38
10Turkish (tr)
İkinci normal form
20
More...

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

The highest AI

Language versions of the article "Second normal form" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Second normal form
88
2Spanish (es)
Segunda forma normal
23
3Russian (ru)
Вторая нормальная форма
21
4Chinese (zh)
第二正規化
21
5Korean (ko)
제2정규형
9
6Vietnamese (vi)
Dạng chuẩn 2
9
7Ukrainian (uk)
Друга нормальна форма
7
8Hungarian (hu)
Második normálforma
5
9Serbian (sr)
Друга нормална форма
4
10Tamil (ta)
இரண்டாவது இயல் வடிவம்
4
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 "Second normal form" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Second normal form
0
2Spanish (es)
Segunda forma normal
0
3Hungarian (hu)
Második normálforma
0
4Korean (ko)
제2정규형
0
5Norwegian (no)
Andre normalform
0
6Russian (ru)
Вторая нормальная форма
0
7Simple English (simple)
Second normal form
0
8Serbian (sr)
Друга нормална форма
0
9Tamil (ta)
இரண்டாவது இயல் வடிவம்
0
10Turkish (tr)
İkinci normal form
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 "Second normal form" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Second normal form
21
2Norwegian (no)
Andre normalform
19
3Ukrainian (uk)
Друга нормальна форма
15
4Chinese (zh)
第二正規化
15
5Spanish (es)
Segunda forma normal
13
6Russian (ru)
Вторая нормальная форма
13
7Korean (ko)
제2정규형
10
8Turkish (tr)
İkinci normal form
6
9Hungarian (hu)
Második normálforma
4
10Vietnamese (vi)
Dạng chuẩn 2
4
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
Second normal form
esSpanish
Segunda forma normal
huHungarian
Második normálforma
koKorean
제2정규형
noNorwegian
Andre normalform
ruRussian
Вторая нормальная форма
simpleSimple English
Second normal form
srSerbian
Друга нормална форма
taTamil
இரண்டாவது இயல் வடிவம்
trTurkish
İkinci normal form
ukUkrainian
Друга нормальна форма
viVietnamese
Dạng chuẩn 2
zhChinese
第二正規化

Popularity rank trends

Best Rank English:
#42110
03.2013
Global:
#62837
03.2013

AI rank trends

Best Rank English:
#10493
07.2002
Global:
#11978
07.2002

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Second normal form from Wikipedia articles about Database normalisation, Third normal form, First normal form, Boyce–Codd normal form and Fourth normal form. Whereas reading the article about Second normal form people most often go to Wikipedia articles on First normal form, Third normal form, Candidate key, Database normalisation and Functional dependency.

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