Source: Object-oriented design: With Applications, (1991), p. 37
“The most important motivation for the research work that resulted in the relational model was the objective of providing a sharp and clear boundary between the logical and physical aspects of database management.”
Relational Database: A Practical Foundation for Productivity (1982)
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E. F. Codd 5
computer scientist 1923–2003Related quotes
Source: 1920s, Civilization and Its Discontents (1929), Ch. 1, as translated by Joan Riviere (1961)
Context: Towards the outside, at any rate, the ego seems to maintain clear and sharp lines of demarcation. There is only one state — admittedly an unusual state, but not one that can be stigmatized as pathological — in which it does not do this. At the height of being in love the boundary between ego and object threatens to melt away. Against all the evidence of his senses, a man who is in love declares that "I" and "you" are one, and is prepared to behave as if it were a fact.
Source: "The duality of technology" 1992, p. 389; Abstract
Where is science going? The Universe in the light of modern physics. (1932)
Article abstract
"Applications of structural equation modeling in marketing and consumer research", 1996
Les mathématiciens n'étudient pas des objets, mais des relations entre les objets ; il leur est donc indifférent de remplacer ces objets par d'autres, pourvu que les relations ne changent pas. La matière ne leur importe pas, la forme seule les intéresse.
Source: Science and Hypothesis (1901), Ch. II: Dover abridged edition (1952), p. 20
A manager develops people.
Source: 1930s- 1950s, The Practice of Management (1954), p. 344