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Journal ArticleDOI

System R: relational approach to database management

TL;DR: This paper contains a description of the overall architecture and design of the system, and emphasizes that System R is a vehicle for research in database architecture, and is not planned as a product.
Proceedings ArticleDOI

Normalized data base structure: a brief tutorial

E. F. Codd
TL;DR: This paper illustrates the removal of repeating groups, hierarchic and plex structures, and cross-referencing structures and the simplification of data base relations by normalization is discussed.
Journal ArticleDOI

Evolution of Data-Base Management Systems

TL;DR: The history and definitions common to data-base technology are discussed, important concepts are discusses, and terminology for use by other papers in this issue is defined.
Journal ArticleDOI

Technology and knowledge: bridging a generating gap

TL;DR: Refuting the notion of technology as a replacement of knowledge, this paper focuses on a gap between them that needs to be bridged, and two models of knowledge are reviewed.
Journal ArticleDOI

Decomposition of a data base and the theory of Boolean switching functions

TL;DR: An important equivalence between operations with functional relations and operations with analogous Boolean functions is demonstrated and is computationally helpful in exploring the properties of a given set of functional relations, as well as in the task of partitioning a data set into subfiles for efficient implementation.
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