Frasi di Edgar F. Codd

Edgar Frank "Ted" Codd è stato un informatico britannico, fondatore della teoria delle basi di dati relazionali. Wikipedia

✵ 19. Agosto 1923 – 18. Aprile 2003

Edgar F. Codd: 5 frasi 0 Mi piace

Edgar F. Codd: Frasi in inglese

“At the time, Nixon was normalizing relations with China. I figured that if he could normalize relations, then so could I.”

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E. F. Codd

http://www.dba-oracle.com/oracle_tips_codd_obit.htm
Relational Database: A Practical Foundation for Productivity (1982)

“It is no surprise that attempts such as those of CODASYL and ANSI to develop data structure language (DDL) and data manipulation language (DML) in separate communities have yielded many misunderstandings and incompatibilities.”

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E. F. Codd

Relational Database: A Practical Foundation for Productivity (1982)

“The adverse impact on development productivity of requiring programmers to navigate along access paths to reach target data […] was enormous. In addition, it was not possible to make slight changes in the layout in storage without simultaneously having to revise all programs that relied on the previous structure. […] As a result, far too much manpower was being invested in continual (and avoidable) maintenance of application programs.”

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E. F. Codd

Relational Database: A Practical Foundation for Productivity (1982)

“Relational processing entails treating whole relationships as operands. Its primary purpose is loop-avoidance, an absolute requirement for end users to be productive at all, and a clear productivity booster for application programmers.”

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E. F. Codd

Relational Database: A Practical Foundation for Productivity (1982)

“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.”

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E. F. Codd

Relational Database: A Practical Foundation for Productivity (1982)

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