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

Journal 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, Maria Skublewska-Paszkowska   +1 more
doaj   +1 more source

Prioritized Repairing and Consistent Query Answering in Relational Databases [PDF]

, 2011
A consistent query answer in an inconsistent database is an answer obtained in every (minimal) repair. The repairs are obtained by resolving all conflicts in all possible ways.
A Fuxman, C Sakama, J Chomicki, J Chomicki, J Wijsen, Jan Chomicki, Jerzy Marcinkowski, JY Halpern, L Bertossi, L Bertossi, L Caroprese, M Arenas, S Staworko, Sławek Staworko, V Koltun   +14 more
core   +7 more sources

Considerations on NoSQL Databases [PDF]

Revista 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  

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

Journal 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, Dominika Radwan, Grzegorz Kozieł   +2 more
doaj   +1 more source

Solving equations in the relational algebra [PDF]

, 2003
Enumerating all solutions of a relational algebra equation is a natural and powerful operation which, when added as a query language primitive to the nested relational algebra, yields a query language for nested relational databases, equivalent to the ...
Biskup, Joachim, Bussche, Jan Van den, Paredaens, Jan, Schwentick, Thomas   +3 more
core   +1 more source

Comparison between Relational and NoSQL Databases [PDF]

Annals 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  

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

Journal 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

Set-oriented data mining in relational databases [PDF]

, 1995
Data mining is an important real-life application for businesses. It is critical to find efficient ways of mining large data sets. In order to benefit from the experience with relational databases, a set-oriented approach to mining data is needed.
Houtsma, Maurice, Swami, Arun
core   +4 more sources

Supporting Schema References in Keyword Queries Over Relational Databases

IEEE Access, 2023
Relational Keyword Search (R-KwS) systems enable naive/informal users to explore and retrieve information from relational databases without knowing schema details or query languages.
Paulo Martins, Altigran Soares da Silva, Ariel Afonso, Joao Cavalcanti, Edleno de Moura   +4 more
doaj   +1 more source

Preferences in Temporal Relational Databases

IEEE Access
Despite the huge amount of work devoted to the treatment of time within the relational context, some relevant phenomena remain to be fully addressed. We focus on one of them, i.e., temporal indeterminacy with preferences.
Luca Anselma, Paolo Terenziani
doaj   +1 more source