A relational model of data for large shared data banks

@article{Codd1970ARM,
  title={A relational model of data for large shared data banks},
  author={E. F. Codd},
  journal={M.D. computing : computers in medical practice},
  year={1970},
  volume={15 3},
  pages={
          162-6
        }
}
  • E. F. Codd
  • Published 1970
  • Medicine, Computer Science
  • M.D. computing : computers in medical practice
  • Future users of large data banks must be protected from having to know how the data is organized in the machine (the internal representation. [...] Key Method A model based on n-ary relations, a normal form for data base relations, and the concept of a universal data sublanguage are introduced. In Section 2, certain operations on relations (other than logical inference) are discussed and applied to the problems of redundancy and consistency in the user's model.Expand Abstract
    2,896 Citations
    Another look at data-bases
    • 7
    The relational data management system: A perspective
    • 7
    A Formal Representation for Structured Data
    • 2
    • PDF
    An approach for a working relational data system
    • 2
    Managing Large Scale Unstructured Data with RDBMS
    • 1
    The logical data model: a new approach to database logic
    • 40
    • PDF
    Robust data profiling and schema design for incomplete relational databases

    References

    SHOWING 1-2 OF 2 REFERENCES
    GE 625/635, GE Inform
    • Sys. Div., Pheonix, Ariz., CPB 1093B, Feb.
    • 1968
    GE 625/G35, GE Inform
    • Sys. Div., Pheonix, Ariz., CPB 1093B, Feb.
    • 1968