Results 11 to 20 of about 25,681 (265)

DBRepo: a Semantic Digital Repository for Relational Databases

open access: yesInternational Journal of Digital Curation, 2022
Data curation is a complex, multi-faceted task. While dedicated data stewards are starting to take care of these activities in close collaboration with researchers for many types of (usually file-based) data in many institutions, this is rarely yet the ...
Martin Weise   +6 more
doaj   +1 more source

Comparative analysis of selected databases on the example of a proprietary web application

open access: yesJournal of Computer Sciences Institute, 2023
Database performance is one of the most important factors affecting the usability of the system. Therefore, the authors of the article decided to examine 3 popular database systems: MySQL, MS SQL and PostgreSQL, analyzing their performance.
Łukasz Przychodzień   +2 more
doaj   +1 more source

Mining Relational Databases [PDF]

open access: yes, 2000
In this paper, we propose a classification system to induce an intentional definition of a relation from examples, when background knowledge is stored in a relational database composed of several tables and views. Refinement operators have been defined to integrate in a uniform way different induction tools learning numeric and symbolic constraints ...
Frédéric Moal   +2 more
openaire   +1 more source

Performance analysis of relational databases MySQL, PostgreSQL and Oracle using Doctrine libraries

open access: yesJournal of Computer Sciences Institute, 2022
In modern applications, databases perform a very important function but the choice of a database system and additional libraries may affect the speed of the operations.
Marcin Choina   +1 more
doaj   +1 more source

Considerations on NoSQL Databases [PDF]

open access: yesRevista Română de Informatică și Automatică, 2018
This paper aims to present some considerations on non-relational databases (called NoSQL) that are increasingly being used by applications (especially the Web, such as Youtube, Amazon, Google and Facebook) that both have to store an impressive volume ...
Dragoş NICOLAU
doaj  

Analyzing The Encountered Problems and Possible Solutions of Converting Relational Databases to Graph Databases

open access: yesJournal of Advanced Research in Natural and Applied Sciences, 2022
Relational database management systems have been used for storing data for a long time.However, these systems are insufficient to analyze the large and complex structure of the data.
Ramazan Altın, A. Cumhur Kınacı
doaj   +1 more source

Beyond relational databases [PDF]

open access: yesCommunications of the ACM, 2008
There is more to data access than SQL.
openaire   +1 more source

On Embeddings in Relational Databases

open access: yesCoRR, 2020
We address the problem of learning a distributed representation of entities in a relational database using a low-dimensional embedding. Low-dimensional embeddings aim to encapsulate a concise vector representation for an underlying dataset with minimum loss of information.
Siddhant Arora, Srikanta Bedathur
openaire   +2 more sources

Comparison between Relational and NoSQL Databases [PDF]

open access: yesAnnals of Dunarea de Jos University. Fascicle I : Economics and Applied Informatics, 2020
Relational databases have not been the only solution for the applications that use them for years. New applications must deal with large volumes of complex, distributed data of different types, whose volume increases very rapidly.
Gianina Mihai
doaj  

O-ODM Framework for Object-Relational Databases

open access: yesInternational Journal of Interactive Multimedia and Artificial Intelligence, 2012
Object-Relational Databases introduce new features which allow manipulating objects in databases.At present, many DBMS offer resources to manipulate objects in database, but most application developers just map class to relations tables, failing to ...
Carlos Alberto Rombaldo Jr.   +2 more
doaj   +1 more source

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