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- Extending the Database Relational Model to Capture More Meaning
- RM/T: semantics modeling in the relational model for database management. [PDF]
- 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.
- 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. - According to Date: recent.
Articles by Christohper J Date with emphasis on foundations. Web published by DBPD after the print magazine folded. - Against the Grain
Contrarian articles by Fabian Pascal about the necessity of getting the relational model properly implemented. - Database Debunkings
Analysis of various systems and ideas floating in the database scene, against the standards set by the relational model for database management. - Date’s 12 Rules for DDB's
Presentation slides about C.J. Date's goals for relational databases. Orthogonal to the relational model. [PDF] - David McGoveran
Several short, insightful articles on the relevance of the Relational Model to enterprise application integration. - FirstSQL Issue Papers
Opinions fundamented on the relational model about NULLs, SQL and DBMS - Fondation Matters
Series of relational database model articles by Chris J Date, with emphasis on rules applications. Registration required. - Introduction to Relational Databases
Concentrating on the 12 Rules from EF Codd and a succint, informal definition of normalisation with examples. - Journal of Conceptual Modeling
Bi-monthly journal about conceptual modelling and mainly relational database design. - A Relational Model of Data for Large Shared Data Banks
The paper that started it all. The first public statement of the Relational Model. - 12 Rules
12 Rules for a relational database by EF Codd. - A Simple Guide to Five Normal Forms
A Simple Guide to Five Normal Forms in Relational Database Theory - The Third Manifesto
Additional material related to the book. - Tuple-Marks
A proposal to avoid default or special values, SQL NULLs and three-valued logic in the representation of missing information. - Twelve Rules for Business Rules
Paper by C.J. Date on business rules as data integrity constraints. [PDF]
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