Quality:

Unique key - minimal superkey in relational database management systems. Article "一意性制約" in Japanese Wikipedia has 1.5 points for quality (as of August 1, 2024).
The article contains 0 references and 2 sections. The article also contains quality flaw template, which reduce quality score.
This article has the best quality in German Wikipedia. Also, this article is the most popular in that language version.
Since the creation of article "一意性制約", its content was written by 9 registered users of Japanese Wikipedia and edited by 385 registered Wikipedia users in all languages.
The article is cited 26 times in Japanese Wikipedia and cited 534 times in all languages.
The highest Authors Interest rank from 2001:
- Local (Japanese): #57374 in October 2006
- Global: #15713 in July 2003
The highest popularity rank from 2008:
- Local (Japanese): #118841 in April 2009
- Global: #55815 in November 2009
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 August 1, 2024 (including revision history and pageviews for previous years).
The table below shows the language versions of the article with the highest quality.