IBM IS1

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IS/1 [1] was the world's first relational database system, implemented at the IBM United Kingdom Scientific Centre in Peterlee in the years 19701972. It had limited facilities but implemented a true relational model. It was the precursor to PRTV.

[edit] References

  1. ^ Notley, M, "Peterlee IS/1 System", UKSC Report 18, 1972