Two notable cloud-based MySQL services are the Amazon Relational Database Service, and the Xeround Cloud Database, which runs on EC2, Rackspace and Heroku.

Codd himself, some years after publication of his 1970 model, proposed a three-valued logic ( True, False, Missing or NULL ) version of it to deal with missing information, and in his The Relational Model for Database Management Version 2 ( 1990 ) he went a step further with a four-valued logic ( True, False, Missing but Applicable, Missing but Inapplicable ) version.

When talking about Relational Database Systems, the document should include following parts:

* The Distributed Relational Database Architecture ( DRDA )

* Database in Depth: Relational Theory for Practitioners, ISBN 0-596-10012-4

* Several editions of Relational Database Writings, ISBN 0-201-39814-1, ISBN 0-201-82459-0, ISBN 0-201-54303-6, ISBN 0-201-50881-8.

* The Database Relational Model: A Retrospective Review and Analysis, ISBN 0-201-61294-1

These solutions included IBM's Distributed Relational Database Architecture ( DRDA ) and Apple Computer's Data Access Language.

* Amazon Relational Database Service, Amazon's cloud-based Relational Database Service

* Advantage Database Server, a Relational Database Management System

* Unisys DMSII, a Burroughs / Unisys Relational Database Subsystem

Conceptual Schema and Relational Database Design.

* " Articulated Entity Relationship ( AER ) Diagram for Complete Automation of Relational Database Normalization " P. S. Dhabe, Dr. M. S. Patwardhan, Asavari A. Deshpande.

Interactive access to the Oracle Rdb can be by SQL ( Structured Query Language ), RDO ( Relational Database Operator ), or both.

Chen's main contributions are: formalized the concepts, developed a theory with a set of data definition and manipulation operations, and specified the translation rules from the ER model to several major types of databases ( including the Relational Database ).

The company's structure reflected its heritage, with OLAP technologies being developed out of the former Holistic Systems R & D site in Ipswich, Suffolk, England and Relational Database technologies being developed out of the former Crystal Services R & D centre in Vancouver, British Columbia, Canada.

* SQL Server – Relational Database Management and business intelligence server

Jet allows the manipulation of a relational database and is part of a Relational Database Management System ( RDBMS ).

The virtual universe can also be accessed through a new online tool, the MRObs browser, which allows users to interact with the Millennium Run Relational Database where the properties of millions of dark matter halos and their galaxies from the Millennium project are being stored.

With variations, it has also been used for books on the philosophy of physics ( World Enough and Space-Time: Absolute versus Relational Theories of Space and Time ), geopolitics ( World Enough and Time: Successful Strategies for Resource Management ), a science-fiction collection ( Worlds Enough & Time: Five Tales of Speculative Fiction-Dan Simmons ), a short story by Terry Pratchett (# ifdef DEBUG + " world / enough " + " time "), and, of course, a biography ( World Enough and Time: The Life of Andrew Marvell ).

Some of the recent activist investment funds include: Icahn Management LP, Santa Monica Partners Opportunity Fund LP and Relational Investors, LLC.

( the RIM was an acronym for Relational Information Management, a mainframe database developed at Boeing Computer Service by Erickson and used by NASA to track the heat shield tiles on its space shuttles.

Codd indicated in his 1990 book The Relational Model for Database Management, Version 2 that the single Null mandated by the SQL standard was inadequate, and should be replaced by two separate Null-type markers to indicate the reason why data is missing.

Jet was part of a Relational Database Management System ( RDBMS ) and offered a single interface that other software could use to access Microsoft databases.

ArcSDE ( Spatial Database Engine ) is a server-software sub-system ( produced and marketed by Esri ) that aims to enable the usage of Relational Database Management Systems for spatial data.

* Nasraoui O., Frigui H., Joshi A., and Krishnapuram R., “ Mining Web Access Logs Using Relational Competitive Fuzzy Clustering ”, Proceedings of the Eighth International Fuzzy Systems Association Congress, Hsinchu, Taiwan, August 1999

It had previously acquired 4Thought, Relational Matters, LEX2000, Interweave, DecisionStream, NoticeCast, Adaytum, Frango, Databeacon and Celequest, an operational intelligence company.

This model is more general and powerful than the hierarchical, and has been the most popular before being replaced by the Relational model.

Abstract Relational Biology ( ARB ) is concerned with the study of general, relational models of complex biological systems, usually abstracting out specific morphological, or anatomical, structures.

The Implicit Relational Assessment Procedure ( IRAP ), an implicit measure similar to the Implicit Association Test ( IAT ), with the key difference being that it measures specific relations between stimuli rather than general associations, has its theoretical basis in RFT.

The dominant database language is the standard SQL for the Relational model, which has influenced database languages also for other data models.

A major Relational model language supported by all the relational DBMSs and a standard.

* Relational algebra: Each row or record in the above table meets the standard definition of a tuple under relational algebra ( the above example depicts a series of 3-tuples ).

It strongly impacts the convenience and cost of maintaining an application and its database, and has been the major motivation for the emergence and success of the Relational model, as well as the convergence to a common database architecture.

The above three-level database architecture also relates to and being motivated by the concept of data independence which has been described for long time as a desired database property and was one of the major initial driving forces of the Relational model.

In 1970, he wrote a number of papers that outlined a new approach to database construction that eventually culminated in the groundbreaking A Relational Model of Data for Large Shared Data Banks.

The Multics Relational Data Store, or MRDS for short, was the first commercial relational database management system.

Ellison took inspiration from the 1970 paper written by Edgar F. Codd on relational database management systems ( RDBMS ) named " A Relational Model of Data for Large Shared Data Banks.

Relational, expressive and " here-and-now " therapy would not be acceptable to most members of the American Psychoanalytic Association or the International Psychoanalytic Association for half a century.

He is also the author of many other books on data management, most notably Databases, Types, and the Relational Model, subtitled and commonly referred to as The Third Manifesto, currently in its third edition ( note that earlier editions were titled differently, but maintained the same subtitle ), a proposal for the future direction of DBMSs.

As of 2011, he lectures on Relational Databases at the Department of Computer Science, University of Warwick ( UK ), and is a tutor for the Open University ( UK ) where he was awarded a MUniv honorary degree for academic and scholarly distinction.

Relational calculus consists of two calculi, the tuple relational calculus and the domain relational calculus, that are part of the relational model for databases and provide a declarative way to specify database queries.

However, they do not deny that there are thought processes that interact with those behaviors ( see Relational Frame Theory for more information ).

Relational Responsibility: Resources for Sustainable Dialogue.

Relational database concepts of computer science and Information retrieval concepts of digital libraries are important for understanding biological databases.

Exploder was a programming tool for storing Objective-C objects in a Relational database.

*" The Mainstream and the Marginalized: Reflections on Homelessness and Relational Justice "-Presentation by John C. Frame at the Harvard Carr Center for Human Rights Policy, sponsored by The Human Rights & Social Movements Program, April 16, 2010, YouTube video.

See also the Harvard listing for this talk: " The Human Rights & Social Movements Program presents “ The Mainstream and the Marginalized: Reflections on Homelessness and Relational Justice ” with John C. Frame, Th. M., M. Div., M. P. A.

In May 2011, Irani retired as CEO after the California State Teachers ' Retirement System and Relational Investors, two major institutional Occidental Investors, objected to the company's compensation policies for top executives.