DB-Engines ranking

The DB-Engines Ranking ranks database management systems by popularity, covering over 410 systems. The ranking criteria{{cite web|url= https://db-engines.com/en/ranking_definition |title= Ranking Methodology|publisher=DB-Engines|accessdate= 23 November 2023}} include number of search engine results when searching for the system names, Google Trends, Stack Overflow discussions, job offers with mentions of the systems, number of profiles in professional networks such as LinkedIn, mentions in social networks such as Twitter. The ranking is updated monthly. It has been described and cited in various database-related articles.{{cite web | date = Dec 2013 |url= https://www.wired.com/2013/12/nosql/ |title=New site tracks the cracks in Oracle's empire| work =Wired |accessdate= 10 January 2018}}{{cite web |url= https://www.infoworld.com/article/3019332/database/oracle-remains-most-popular-database-but-mongodb-continues-to-rise.html |title=Oracle remains most popular database, but MongoDB continues to rise | work =InfoWorld |accessdate= 10 January 2018}}{{cite web |url= https://www.techrepublic.com/article/will-nosql-be-the-undoing-of-oracles-database-reign/ |title=Will NoSQL be the undoing of Oracle's database reign? | work = Tech Republic |accessdate=10 January 2018}}{{cite web |url= http://news.softpedia.com/news/oracle-named-database-of-the-year-mongodb-ranks-second-498636.shtml |title= Oracle Named Database of the Year, MongoDB Ranks Second | work = SoftPedia|accessdate=10 January 2018}}{{cite web |url = https://www.zdnet.com/article/as-dbms-wars-continue-postgresql-shows-most-momentum/ |title=As DBMS wars continue, PostgreSQL shows most momentum| work =ZDNet |access-date= 10 January 2018}}{{cite web |url= http://www.eweek.com/database/microsoft-sql-server-surges-in-solid-it-s-database-rankings |title=Microsoft SQL Server surges in Solid IT's database rankings| work = eWeek |accessdate=10 January 2018}}

By grouping over specific database features like database model or type of license, regularly published statistics reveal historical trends which are used in strategic statements.{{Cite web | url = https://www.techrepublic.com/article/cloud-database-growth-may-be-slowing-as-lock-in-fears-loom/ |title= Cloud database growth may be slowing as lock-in fears loom | work =TechRepublic|accessdate=10 January 2018}}{{cite web | year = 2018 |url= http://www.information-age.com/growing-graph-database-space-2018-123470315/ |title=The growing graph database space in 2018|publisher= Information age|accessdate= 15 January 2018}}

In June 2024, the assets of DB-Engines were bought by Redgate Software. Redgate stated that it would retain the DB-Engines branding and identity and continue to provide trusted and independent monthly database ranking reports.{{Cite web |last=Ltd |first=Red Gate Software |title=Redgate Software Announces Acquisition of DB-Engines |url=https://www.red-gate.com/our-company/newsroom/press-releases/redgate-software-announces-acquisition-of-db-engines/ |access-date=2024-07-23 |website=www.red-gate.com |language=en}}