The Third Manifesto This is a proposal for a strictly relational system. It is intended to be more powerful than SQL or object DBMSs. File in PostScript format. http://www.acm.org/sigmod/record/issues/9503/manifesto.ps

Database Debunkings Analysis of various systems and ideas floating in the database scene, against the standards set by the relational model for database management. http://dbdebunk.com/

Against the Grain Contrarian articles by Fabian Pascal about the necessity of getting the relational model properly implemented. http://searchdatabase.techtarget.com/tipsIndex/0,289482,sid13_tax284872,00.html

FirstSQL Issue Papers Opinions fundamented on the relational model about NULLs, SQL and DBMS http://www.firstsql.com/issues.shtml#issue

Dilip's Brief Introduction to Relational Databases Provides a basic introduction to relational databases theory. http://www.cs.unc.edu/Courses/wwwp-s98/members/barman/databaseLesson/

Dr EF "Ted" Codd's 12 Rules 12 rules for a relational database management system, by the relational model's author. Outdated but still useful. http://www.itworld.com/nl/db_mgr/05072001/

Extending the Database Relational Model to Capture More Meaning RM/T: semantics modeling in the relational model for database management. http://www.scism.sbu.ac.uk/~rmkemp/codd1979.pdf

According to Date: recent. Articles by Christohper J Date with emphasis on foundations. Web published by DBPD after the print magazine folded. http://www.intelligententerprise.com/ports/search_date.shtml

According to Date: online. Articles by Christopher J Date about how the relational model can fulfill all OO needs. Web-only articles from DBPD that never made to print. http://www.dbpd.com/vault/new_online.shtml#ATD

Introduction to Relational Databases Concentrating on the 12 Rules from EF Codd and a succint, informal definition of normalisation with examples. http://www.15seconds.com/issue/020522.htm

Chracteristics of a Relational Database Succint, itemized explanation of 12 Rules by EF Codd. http://www.frick-cpa.com/ss7/Theory_RelationalDB.asp#Codd

Normalization The five normal forms succintly, informally described. http://searchdatabase.techtarget.com/sDefinition/0,,sid13_gci212669,00.html

12 Rules 12 Rules for a relational database by EF Codd. http://www.cis.ohio-state.edu/~sgomori/570/coddsrules.html

The Third Manifesto Additional material related to the book. http://www.thethirdmanifesto.com/

eAI Journal - Data Integration Department Containing several short, insightful articles by David McGoveran on the relevance of the Relational Model to enterprise application integration. http://eaijournal.com./Department.asp?DepartmentID=6

A Relational Model of Data for Large Shared Data Banks The paper that started it all. The first public statement of the Relational Model. http://www.acm.org/classics/nov95/toc.html

A Simple Guide to Five Normal Forms A Simple Guide to Five Normal Forms in Relational Database Theory http://www.bkent.net/Doc/simple5.htm

Fondation Matters Series of relational database model articles by Chris J Date, with emphasis on rules applications. Registration required. http://www.brcommunity.com/date.php

Tuple-Marks A proposal to avoid default or special values, SQL NULLs and three-valued logic in the representation of missing information. http://chimu.com./publications/tupleMarks/

eWeek: Databases Latest articles on the database industry from eWeek. http://rssnewsapps.ziffdavis.com/eweekdatabase.xml