Null (SQL)

NULL - special marker and keyword in SQL indicating that something has no value. Article "Null (SQL)" in Korean Wikipedia has 21.3 points for quality (as of July 1, 2025). The article contains 8 references and 8 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "Null (SQL)", its content was written by 3 registered users of Korean Wikipedia and edited by 279 registered Wikipedia users in all languages.

The article is cited 81 times in Korean Wikipedia and cited 625 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Korean): #9832 in February 2015
• Global: #55042 in May 2016

The highest popularity rank from 2008:

• Local (Korean): #16431 in February 2019
• Global: #39046 in September 2015

There are 11 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) Null (SQL)		59.3999
2	Polish (pl) Null (SQL)		41.3914
3	Ukrainian (uk) Null (SQL)		38.9917
4	Chinese (zh) 空值 (SQL)		34.6976
5	Arabic (ar) قيمة فارغة (إس كيو إل)		25.5385
6	Korean (ko) Null (SQL)		21.3018
7	Spanish (es) Null (SQL)		20.7008
8	Azerbaijani (az) Null (SQL)		18.0769
9	Russian (ru) NULL (SQL)		9.1253
10	Portuguese (pt) Null (SQL)		2.7332

More...

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

The most popular language versions of the article "Null (SQL)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Null (SQL)		2 117 508
2	Spanish (es) Null (SQL)		267 042
3	Russian (ru) NULL (SQL)		266 499
4	Polish (pl) Null (SQL)		68 885
5	Chinese (zh) 空值 (SQL)		59 562
6	Portuguese (pt) Null (SQL)		46 921
7	Korean (ko) Null (SQL)		40 475
8	Ukrainian (uk) Null (SQL)		22 765
9	Arabic (ar) قيمة فارغة (إس كيو إل)		4 333
10	Greek (el) Null (SQL)		2 397

More...

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 "Null (SQL)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Null (SQL)		3 324
2	Russian (ru) NULL (SQL)		593
3	Chinese (zh) 空值 (SQL)		205
4	Spanish (es) Null (SQL)		141
5	Polish (pl) Null (SQL)		66
6	Arabic (ar) قيمة فارغة (إس كيو إل)		59
7	Ukrainian (uk) Null (SQL)		58
8	Portuguese (pt) Null (SQL)		57
9	Korean (ko) Null (SQL)		51
10	Greek (el) Null (SQL)		46

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Null (SQL)		163
2	Russian (ru) NULL (SQL)		25
3	Chinese (zh) 空值 (SQL)		21
4	Spanish (es) Null (SQL)		16
5	Polish (pl) Null (SQL)		16
6	Ukrainian (uk) Null (SQL)		15
7	Arabic (ar) قيمة فارغة (إس كيو إل)		8
8	Portuguese (pt) Null (SQL)		7
9	Greek (el) Null (SQL)		4
10	Korean (ko) Null (SQL)		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 "Null (SQL)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) قيمة فارغة (إس كيو إل)		0
2	Azerbaijani (az) Null (SQL)		0
3	Greek (el) Null (SQL)		0
4	English (en) Null (SQL)		0
5	Spanish (es) Null (SQL)		0
6	Korean (ko) Null (SQL)		0
7	Polish (pl) Null (SQL)		0
8	Portuguese (pt) Null (SQL)		0
9	Russian (ru) NULL (SQL)		0
10	Ukrainian (uk) Null (SQL)		0

More...

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

Language versions of the article "Null (SQL)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Null (SQL)		179
2	Chinese (zh) 空值 (SQL)		114
3	Ukrainian (uk) Null (SQL)		107
4	Korean (ko) Null (SQL)		81
5	Portuguese (pt) Null (SQL)		41
6	Russian (ru) NULL (SQL)		34
7	Arabic (ar) قيمة فارغة (إس كيو إل)		29
8	Azerbaijani (az) Null (SQL)		29
9	Spanish (es) Null (SQL)		7
10	Polish (pl) Null (SQL)		4

More...

#	Language	Value
ar	Arabic قيمة فارغة (إس كيو إل)
az	Azerbaijani Null (SQL)
el	Greek Null (SQL)
en	English Null (SQL)
es	Spanish Null (SQL)
ko	Korean Null (SQL)
pl	Polish Null (SQL)
pt	Portuguese Null (SQL)
ru	Russian NULL (SQL)
uk	Ukrainian Null (SQL)
zh	Chinese 空值 (SQL)

Best Rank

Korean: #16431 02.2019

Global: #39046 09.2015

Best Rank

Korean: #9832 02.2015

Global: #55042 05.2016

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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