Codd, E.F. "A database sublanguage founded on the relational calculus" pp35-68
(1971) |
[ACM] (1971) [ACM] Proceedings on the ACM SIGFIDET Workshop on Data Description, Access, and Control, San Diego, California (November 1971)
Ted Codd
Languages mentioned
- ALPHA {1971} Data-query language based on relational calculus
- GIS {1966} General Information Store
- IDS {1964} Integrated Data Store
- IMS {1970}
- LEAP {1968} Language for the Expression of Associative Procedures
- MacAims {1968} Set-based data retrieval language
- STDS {1968} Set based language
- TDMS {1970} Time-Shared Data Management System
- TRAMP {1968} Associative memory language
- UL/1 {1965} Early non-procedural query language
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