Results 21 to 30 of about 1,226,220 (295)

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

MXML Storage and the Problem of Manipulation of Context [PDF]

, 2011
The problem of storing and querying XML data using relational databases has been considered a lot and many techniques have been developed. MXML is an extension of XML suitable for represent- ing data that assume different facets, having different value ...
Stavrakas, Yannis, Gergatsoulis, Manoli, Fousteris, Nikolaos   +2 more
core   +1 more source

O-ODM Framework for Object-Relational Databases

International 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., Solange N. Alves Souza, Luiz Sergio Souza   +2 more
doaj   +1 more source

RELATIONAL ASPECTS OF RELATIONAL DATABASE DEPENDENCIES [PDF]

Bulletin of informatics and cybernetics, 2000
Summary: This paper presents a relational treatment of inference rules for functional and multivalued dependencies in relational databases, to show the soundness and the completeness of the inference rules in Dedekind categories, which also cover the fuzzy case.
Okuma, Hitomi, Kawahara, Yasuo
openaire   +3 more sources

Trends and Challenges of Databases

International Journal of Engineering and Management Sciences, 2018
The database management, using relational databases, is part of curriculum in the Hungarian high schools. The aim of this paper is to present how we can show for students the challenges facing data processing, data retrieval, beyond the relational ...
Mária Princz
doaj   +1 more source

Performance of Graph and Relational Databases in Complex Queries

Applied Sciences, 2022
In developing NoSQL databases, a major motivation is to achieve better efficient query performance compared with relational databases. The graph database is a NoSQL paradigm where navigation is based on links instead of joining tables.
Petri Kotiranta, Marko Junkkari, Jyrki Nummenmaa   +2 more
doaj   +1 more source

Mapping the Social Network Structure and Composition of Black Individuals With Rheumatic and Musculoskeletal Conditions

Arthritis Care &Research, EarlyView.
Objective Our objective was to describe the social networks of Black individuals with rheumatic and musculoskeletal conditions and understand the clustering of health‐related behaviors to inform future community‐based, peer‐led interventions. Methods We used an adapted Personal Network Survey for Clinical Research (PERSNET) to map the personal social ...
Taussia Boadi, Amar Dhand, Leah Santacroce, Neil Pillai, Komel Safdar, Mia T. Chandler, Ariel Childs, Monica Crespo‐Bosque, Gina Curry, Mary Dollear, Alice Eggleston, Daniel Erickson, Dieufort Fleurissaint, Denice Garrett, Gail Granville, Tyler Green, Magdalena Hamielec, Elena Losina, Karen Mancera‐Cuevas, Mary Ann Nelson, Chisa Nosamiefan, Bisola Ojikutu, Tonya S. Roberson, Mary Beth Son, Marie Jacques Toussaint, Michael York, Rosalind Ramsey‐Goldman, Candace H. Feldman   +27 more
wiley   +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

Integration of Relational and Graph Databases Functionally

Foundations of Computing and Decision Sciences, 2019
In today’s multi-model database world there is an effort to integrate databases expressed in different data models. The aim of the article is to show possibilities of integration of relational and graph databases with the help of a functional data model ...
Pokorný Jaroslav
doaj   +1 more source