Results 11 to 20 of about 39,846 (313)

Converting Relational Databases into Object-relational Databases. [PDF]

open access: yesThe Journal of Object Technology, 2010
This paper proposes an approach for migrating existing Relational DataBases (RDBs) into Object-Relational DataBases (ORDBs). The approach is superior to existing proposals as it can generate not only the target schema but also the data instances. The solution takes an existing RDB as input, enriches its metadata representation with required semantics ...
Abdelsalam M. Maatuk   +2 more
openaire   +2 more sources

A Blind Reversible Robust Watermarking Scheme for Relational Databases [PDF]

open access: yesThe Scientific World Journal, 2013
Protecting the ownership and controlling the copies of digital data have become very important issues in Internet-based applications. Reversible watermark technology allows the distortion-free recovery of relational databases after the embedded watermark
Chin-Chen Chang   +2 more
doaj   +2 more sources

Index selection in relational databases [PDF]

open access: yesProceedings of ICCI'93: 5th International Conference on Computing and Information, 2002
Intending to develop a tool which aims to support the physical design of relational databases can not be done without considering the problem of index selection. Generally the problem is split into a primary and secondary index selection problem and the selection is done per table.
Choenni, R.S.   +2 more
openaire   +2 more sources

When Relational-Based Applications Go to NoSQL Databases: A Survey

open access: yesInformation, 2019
Several data-centric applications today produce and manipulate a large volume of data, the so-called Big Data. Traditional databases, in particular, relational databases, are not suitable for Big Data management.
Geomar A. Schreiner   +2 more
doaj   +3 more sources

Modification of hashing algorithm to increase rate of operations in nosql databases

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2021
The object of research is indexing methods in non-relational databases. The article reviews the most common hashing algorithms and the proposed hashing algorithm based on prime numbers and binary number system.
В. Нікітін   +3 more
doaj   +1 more source

Getting Along with Relational Databases

open access: yesJournal of the Text Encoding Initiative, 2022
Both relational databases (RDBs) and XML have strengths and weaknesses as data storage and modeling systems. Most researchers working with historical and literary data in the humanities would argue for the superiority of XML, since it allows unlimited ...
Martin Holmes
doaj   +1 more source

An Analysis of the Performance and Configuration Features of MySQL Document Store and Elasticsearch as an Alternative Backend in a Data Replication Solution

open access: yesApplied Sciences, 2021
In recent years, with the increase in the volume and complexity of data, choosing a suitable database for storing huge amounts of data is not easy, because it must consider aspects such as manageability, scalability, and extensibility.
Doina R. Zmaranda   +4 more
doaj   +1 more source

SQL OR NoSQL DATABASES? CRITICAL DIFFERENCES [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, 2021
The recent years, marked by an unprecedented increase in the volume of data stored and managed, have simultaneously brought many problems and difficulties regarding the adequate management systems of very large databases, especially the traditional ...
ANA-GABRIELA BABUCEA
doaj  

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

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