Codd.
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Codd — is a surname and may refer to: Edgar F. Codd (1923–2003), British computer scientist Frederick Codd (1832–), English Gothic revival architect Hiram Codd (1838–1887), English engineer who invented and patented the Codd Bottle Leslie Edward Wostall … Wikipedia
Codd — ist der Familienname folgender Personen: Edgar F. Codd (1923–2003), britischer Mathematiker und Datenbanktheoretiker George P. Codd (1869–1927), US amerikanischer Politiker Leslie Edward Wostall Codd (1908–1999), südafrikanischer Botaniker Pat… … Deutsch Wikipedia
Codd — Edgar Frank Codd Pour les articles homonymes, voir Edgar. Edgar Frank Codd (23 août 1923 18 avril 2003) fut un informaticien britannique. Il est considéré comme l inventeur du modèle relationnel des SGBDR. L article de E. F.… … Wikipédia en Français
Codd — This interesting surname may be a metonymic occupational name for a maker of purses and bags, deriving from the Old English pre 7th Century cod(e) meaning bag . It may also be a metonymic occupational nickname for a fishmonger, deriving from the… … Surnames reference
Codd's 12 rules — Codd s twelve rules are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be… … Wikipedia
Codd's theorem — states that relational algebra and the domain independent relational calculus queries, two well known foundational query languages for the relational model, are precisely equivalent in expressive power. That is, a database query can be formulated … Wikipedia
Codd's cellular automaton — A simple configuration in Codd s cellular automaton. Signals pass along wire made of cells in state 1 (blue) sheathed by cells in state 2 (red). Two signal trains circulate around a loop and are duplicated at a T junction onto an open ended… … Wikipedia
Codd, Edgar Frank — ▪ 2004 “Ted” British born American computer scientist and mathematician (b. Aug. 23, 1923, Portland, Dorset, Eng. d. April 18, 2003, Williams Island, Fla.), devised the “relational” data model, which led to the creation of the relational… … Universalium
Codd — … Википедия
codd — m ( es/ as) cod, husk; bag; scrotum … Old to modern English dictionary
