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MICRO Relational Database Management System

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Micro was one of the earliest relational database management systems.[1] It combined the relational model later made famous by Edgar F. Codd and Michael Stonebraker of the University of Michigan's Database Research Group[2] with a natural language interface which allowed non-programmers to use the system.

Micro was originally implemented in 1968 at the University of Michigan and ran under the Michigan Terminal System, the time-sharing system developed at U-M. It became the first large scale relational database management system to be used in production. Organizations such as the US Department of Labor, the US Environmental Protection Agency and researchers from University of Alberta, the University of Michigan, and Wayne State University used it to manage very large scale databases. Micro continued to run in production until 1998.

References

  1. ^ "A set theoretic data structure and retrieval language", William R. Hershey and Carol H. Easthope, Papers from the Session on Data Structures, Spring Joint Computer Conference, May 1972 in ACM SIGIR Forum, Volume 7, Issue 4 (December 1972), pp. 45-55, DOI=10.1145/1095495.1095500, Special Interest Group on Information Retrieval, Association for Computing Machinery, New York, NY, USA
  2. ^ "A Relational Model of Data for Large Shared Data Banks", E.F. Codd, Communications of the ACM, volume 13, issue 6 (June 1970), pp.77–387, doi= 10.1145/362384.362685

University of Michigan Database Research Group

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