Primary key

en

WikiRank.net
ver. 1.6.2

Primary key

Quality:

Primary key - set of attributes (columns) that uniquely specify a tuple (row) in a relation. Article “Primary key” in English Wikipedia has 16.1 points for quality (as of July 1, 2025). The article contains 3 references and 7 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.85 points.

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

Since the creation of article “Primary key”, its content was written by 80 registered users of English Wikipedia and edited by 451 registered Wikipedia users in all languages.

The article is cited 80 times in English Wikipedia and cited 1235 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #4798 in July 2003
  • Global: #11789 in July 2003

The highest popularity rank from 2008:

  • Local (English): #36838 in April 2008
  • Global: #37384 in April 2008

There are 24 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
1Malay (ms)
Kekunci primer
28.4211
2Chinese (zh)
关系键
22.9956
3Bulgarian (bg)
Първичен ключ
22.3722
4Catalan (ca)
Clau primària
19.4925
5Ukrainian (uk)
Первинний ключ
18.0995
6Persian (fa)
کلید اصلی
17.2971
7English (en)
Primary key
16.0683
8Arabic (ar)
مفتاح رئيسي
15.8248
9Korean (ko)
기본 키
6.9169
10Russian (ru)
Первичный ключ
5.37
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 "Primary key" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Primary key
1 295 599
2Spanish (es)
Clave primaria
987 440
3Russian (ru)
Первичный ключ
785 264
4Japanese (ja)
主キー
408 822
5Portuguese (pt)
Chave primária
404 050
6French (fr)
Clé primaire
354 047
7Chinese (zh)
关系键
314 746
8Polish (pl)
Klucz główny
211 832
9Italian (it)
Chiave primaria
208 902
10Indonesian (id)
Kunci primer
117 285
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 "Primary key" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Primary key
2 568
2Russian (ru)
Первичный ключ
800
3Chinese (zh)
关系键
511
4Spanish (es)
Clave primaria
441
5Japanese (ja)
主キー
326
6French (fr)
Clé primaire
211
7Italian (it)
Chiave primaria
171
8Polish (pl)
Klucz główny
141
9Portuguese (pt)
Chave primária
112
10Korean (ko)
기본 키
69
More...

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

The highest AI

Language versions of the article "Primary key" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Primary key
80
2Russian (ru)
Первичный ключ
51
3French (fr)
Clé primaire
41
4Spanish (es)
Clave primaria
38
5Chinese (zh)
关系键
33
6Italian (it)
Chiave primaria
28
7Portuguese (pt)
Chave primária
27
8Polish (pl)
Klucz główny
24
9Japanese (ja)
主キー
22
10Dutch (nl)
Primaire sleutel
21
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 "Primary key" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Vietnamese (vi)
Khóa chính
1
2Chinese (zh)
关系键
1
3Arabic (ar)
مفتاح رئيسي
0
4Bulgarian (bg)
Първичен ключ
0
5Catalan (ca)
Clau primària
0
6Czech (cs)
Primární klíč
0
7English (en)
Primary key
0
8Spanish (es)
Clave primaria
0
9Persian (fa)
کلید اصلی
0
10French (fr)
Clé primaire
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 "Primary key" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Chinese (zh)
关系键
407
2Russian (ru)
Первичный ключ
126
3Ukrainian (uk)
Первинний ключ
90
4Japanese (ja)
主キー
84
5English (en)
Primary key
80
6Korean (ko)
기본 키
69
7Czech (cs)
Primární klíč
62
8Portuguese (pt)
Chave primária
49
9Dutch (nl)
Primaire sleutel
41
10Arabic (ar)
مفتاح رئيسي
34
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
arArabic
مفتاح رئيسي
bgBulgarian
Първичен ключ
caCatalan
Clau primària
csCzech
Primární klíč
enEnglish
Primary key
esSpanish
Clave primaria
faPersian
کلید اصلی
frFrench
Clé primaire
heHebrew
מפתח ראשי
idIndonesian
Kunci primer
itItalian
Chiave primaria
jaJapanese
主キー
kkKazakh
Негізгі кілт
koKorean
기본 키
msMalay
Kekunci primer
nlDutch
Primaire sleutel
plPolish
Klucz główny
ptPortuguese
Chave primária
ruRussian
Первичный ключ
skSlovak
Primárny kľúč
srSerbian
Примарни кључ
ukUkrainian
Первинний ключ
viVietnamese
Khóa chính
zhChinese
关系键

Popularity rank trends

Best Rank English:
#36838
04.2008
Global:
#37384
04.2008

AI rank trends

Best Rank English:
#4798
07.2003
Global:
#11789
07.2003

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Primary key from Wikipedia articles about Candidate key, Foreign key, Relational database, Superkey and Unique identifier. Whereas reading the article about Primary key people most often go to Wikipedia articles on Foreign key, Candidate key, Surrogate key, Relational model and Natural key.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 26 January 2026

On 26 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: killing of Alex Pretti, Alex Honnold, Nipah virus, A Knight of the Seven Kingdoms, Donald Trump, Sam Darnold, Sinners, U.S. Immigration and Customs Enforcement, Marty Supreme, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Sam Darnold, Killing of Alex Pretti, Border 2, Jaxon Smith-Njigba, Gregory Bovino, Republic Day (India), Super Bowl LX, Alex Honnold, List of Super Bowl champions, Suella Braverman.

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