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totalt 10 treff
Is Hell Forever?: Does the Bible teach that Hell will be Annihilation or Eternal Torment?
Database Dreaming Volume I
Along with its companion volume (Database Dreaming Volume II), this book offers a collection of essays on the general topic of relational databases and relational database …
On Cantor and the Transfinite
A set in mathematics is just a collection of elements; an example is the set of natural numbers {1, 2, 3, ...}. Simplifying somewhat, the theory of sets can be regarded as the …
Keys, Foreign Keys, and Relational Theory
Keys and foreign keys play a crucial role in relational databases-keys identify the objects of interest, and foreign keys knit those objects together. The basic idea couldn't be …
Stating the Obvious, and Other Database Writings
Database Dreaming Volume II
Along with its companion volume (Database Dreaming Volume I), this book offers a collection of essays on the general topic of relational databases and relational database …
Logic and Relational Theory
E. F. Codd and Relational Theory
E. F. Codd's relational model of data has been described as one of the three greatest inventions of all time (the other two being agriculture and the scientific method), and his …
The Relational Model for Database Management Version 2 - A Critical Analysis
The relational model of data was invented by one man, E. F. ("Ted") Codd, during his employment in the late 1960s and early 1970s at the IBM Research Laboratory in San Jose, …
Fifty Years of Relational, and Other Database Writings
Fifty years of relational. It's hard to believe the relational model has been around now for over half a century But it has-it was born on August 19th, 1969, when Codd's first …