Multics Relational Data Store
Relational database for the Multics operating system
The Multics Relational Data Store, or MRDS for short, was the first commercial relational database management system. It was written in PL/1 by Honeywell for the Multics operating system and first sold in June 1976. Unlike the SQL systems that emerged in the late 1970s and early 80s, MRDS used a command language only for basic data manipulation, equivalent to the SELECT or UPDATE statements in SQL. Other operations, like creating a new database, or general file management, required the use of a separate command program.
References
- Paul McJones, "Multics Relational Data Store (MRDS)"
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Multics
- MIT
- Bell Labs
- General Electric
- Honeywell
- Groupe Bull
- David D. Clark
- Fernando J. Corbató
- Monte Davidoff
- Peter J. Denning
- Jack Dennis
- Stuart Feldman
- Robert M. Graham
- Bernard Greenberg
- Douglas McIlroy
- Robert Morris
- Peter G. Neumann
- Joe Ossanna
- Michael A. Padlipsky
- Dennis Ritchie
- Jerry Saltzer
- Glenda Schroeder
- Michael Schroeder
- Richard Soley
- Ken Thompson
- Tom Van Vleck
- Victor A. Vyssotsky
- Space Travel
- Maclisp
- Macsyma
- Multics Emacs
- Multics Relational Data Store
systems
- Project MAC
- Compatible Time-Sharing System (predecessor)
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