IS/1 was the world's first relational database system, implemented at the IBM United Kingdom Scientific Centre in Peterlee in the years 1970–1972.[1] It had limited facilities but implemented a true relational model. It was the precursor to PRTV.
References
[edit]- ^ Notley, M, "Peterlee IS/1 System", UKSC Report 18, 1972
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