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Codd's 12 rules

Known as: Codd's twelve rules, Codds laws, Codd 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… 
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Data modelingDatabase theory
DatabaseDatabase catalogDataphorEssbase

Papers overview

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Review
2021
Review
2021
Component Design for Relational Databases
OVERVIEW Database design theory is a topic that many people avoid learning for lack of time. Many others attempt to learn it, but… 
2012
2012
Codd's 12 Rules
2010
2010
Integrating Ontologies in Database Scheme: Ontology-Based Views Conceptual Modeling
In this paper, we propose an approach to integrate the domain ontology life cycle in database scheme process design. To this end… 
Review
2010
Review
2010
How to celebrate Codd's RDBMS vision
implement Codd's rules in their purest form, as McGoveran and Date point out. Past future Visions of two-Way cable television The… 
2003
2003
Are SQL Server, DB2, and Oraclereally relational?
Today, we have a huge quantity of information in the world. The development of information systems makes it possible to manage… 
1987
1987
Is your database relational? Part 2 of Dr. Codd's rules for relational databases
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