On Database Relationships versus Mathematical Relations

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Christian Mancas
Christian Mancas
1 Bucharest Polytechnic University

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Unfortunately, the widespread used one-to-many, many-to-one, one-to-one, and many-tomany database relationships lack precision and are very often leading to confusions that affect the quality of conceptual data modeling and database design. This paper advocates replacing them with the rigorous math notions of relations and (one-to-one) functions.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

Christian Mancas. 2016. \u201cOn Database Relationships versus Mathematical Relations\u201d. Global Journal of Computer Science and Technology - C: Software & Data Engineering GJCST-C Volume 16 (GJCST Volume 16 Issue C1): .

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GJCST Volume 16 Issue C1
Pg. 13- 16
Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

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GJCST-C Classification: F.4.1 H.2.3
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v1.2

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April 22, 2016

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English

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Unfortunately, the widespread used one-to-many, many-to-one, one-to-one, and many-tomany database relationships lack precision and are very often leading to confusions that affect the quality of conceptual data modeling and database design. This paper advocates replacing them with the rigorous math notions of relations and (one-to-one) functions.

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On Database Relationships versus Mathematical Relations

Christian Mancas
Christian Mancas Bucharest Polytechnic University

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