Results 11 to 20 of about 1,182,506 (294)

Integration of Relational and NoSQL Databases [PDF]

open access: yesVietnam Journal of Computer Science, 2019
The analysis of relational and NoSQL databases leads to the conclusion that these data processing systems are to some extent complementary. In the current Big Data applications, especially where extensive analyses (so-called Big Analytics) are needed, it
Jaroslav Pokorný
doaj   +1 more source

Representation of graphs for storing in relational databases [PDF]

open access: yesE3S Web of Conferences, 2020
The article is devoted to the problem of representing graphs in the form that is most suitable for their recording in relational databases and for subsequent efficient extracting and processing.
Urubkin Mikhail   +4 more
doaj   +1 more source

Database Slicing on Relational Databases

open access: yesActa Cybernetica, 2014
Many software systems today use databases to permanently store their data. Testing, bug finding and migration are complex problems in the case of databases that contain many records. Here, our method can speed up these processes if we can select a smaller piece of the database (called a slice) that contains all of the records belonging to the slicing ...
Dávid Tengeri, Ferenc Havasi
openaire   +1 more source

Re-engineering relational databases [PDF]

open access: yes, 2011
This paper surveys the recent literature about various research trends relevant to Relational DataBase (RDB) reengineering. The paper presents an analysis of approaches and techniques used in this context, including construction of object views on top of
Ali, Akhtar   +5 more
core   +1 more source

Object-oriented querying of existing relational databases [PDF]

open access: yes, 1993
In this paper, we present algorithms which allow an object-oriented querying of existing relational databases. Our goal is to provide an improved query interface for relational systems with better query facilities than SQL.
Kriegel, Hans-Peter   +5 more
core   +1 more source

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

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   +3 more sources

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

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

Beyond relational databases [PDF]

open access: yesCommunications of the ACM, 2008
There is more to data access than SQL.
openaire   +2 more sources

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