Christopher J. Date and D (data language specification)

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Christopher J. Date and D (data language specification)

Christopher J. Date vs. D (data language specification)

Chris Date (born 1941) is an independent author, lecturer, researcher, and consultant, specializing in relational database theory. D is a set of prescriptions for what Christopher J. Date and Hugh Darwen believe a relational database management system ought to be like.

Similarities between Christopher J. Date and D (data language specification)

Christopher J. Date and D (data language specification) have 5 things in common (in Unionpedia): Edgar F. Codd, Hugh Darwen, Relational database, Relational model, The Third Manifesto.

Edgar F. Codd

Edgar Frank "Ted" Codd (19 August 1923 – 18 April 2003) was an English computer scientist who, while working for IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems.

Christopher J. Date and Edgar F. Codd · D (data language specification) and Edgar F. Codd · See more »

Hugh Darwen

Hugh Darwen is a computer scientist who was an employee of IBM United Kingdom from 1967.

Christopher J. Date and Hugh Darwen · D (data language specification) and Hugh Darwen · See more »

Relational database

A relational database is a digital database based on the relational model of data, as proposed by E. F. Codd in 1970.

Christopher J. Date and Relational database · D (data language specification) and Relational database · See more »

Relational model

The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations.

Christopher J. Date and Relational model · D (data language specification) and Relational model · See more »

The Third Manifesto

The Third Manifesto (1995) is Christopher J. Date's and Hugh Darwen's proposal for future database management systems, a response to two earlier Manifestos with the same purpose.

Christopher J. Date and The Third Manifesto · D (data language specification) and The Third Manifesto · See more »

The list above answers the following questions

What Christopher J. Date and D (data language specification) have in common
What are the similarities between Christopher J. Date and D (data language specification)

Christopher J. Date and D (data language specification) Comparison

Christopher J. Date has 22 relations, while D (data language specification) has 17. As they have in common 5, the Jaccard index is 12.82% = 5 / (22 + 17).

References

This article shows the relationship between Christopher J. Date and D (data language specification). To access each article from which the information was extracted, please visit:

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