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The content of Relational database management system was merged into Relational database on 28 April 2018. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists. For the discussion at that location, see its talk page.

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This article was the subject of a Wiki Education Foundation-supported course assignment, between 6 September 2020 and 7 December 2020. Further details are available on the course page. Student editor(s): LBJJames.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 07:58, 17 January 2022 (UTC)[reply]

Added the Databases Template {{Databases}} to the page because this page is referenced by the template and it provides useful context to the subject.

The article states that Relational Software released the first commercial relational database in 1979. It also states that the first RDBMS sold was Multics Relational Store in 1978. If it was sold, wasn't it commercial? But, IBM sold System R to customers (Pratt & Whitney) I believe as early as 1977 and that is not even mentioned here. If they sold it, it was a supported product, therefore commercial. I'm old enough to remember that; maybe that is unfortunate :)

To be clear, I am not trying to argue here the point of who is first, you may have your own conditions for that definition. I was pointing a student at this article and then I realized that this information needs to be clarified. Maybe Relational Software/Oracle was the first to sell a significant number of copies? Maybe the definition of commercial used here needs to be stated?

Jmussman (talk) 17:44, 19 October 2019 (UTC)[reply]

• A possible claim by MICRO Relational Database Management System might be interesting ... depending how much one considers David L. Childs [:set-theoretic]] work on MICRO Relational Database Management System is relevant to Codds work .... Djm-leighpark (talk) 23:05, 11 August 2020 (UTC)[reply]

NoSQL databases were invented for a reason, but judging from this article, no such reason exists, and neither do alternative database types eg noSQL. An opportunity exists for making this article more comprehensive. FreeFlow99 (talk) 11:07, 28 July 2021 (UTC)[reply]