Results 1 to 10 of about 1,182,506 (294)

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   +3 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   +5 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

A performance analysis of a hybrid relational-XML approach to store partially-structured data [PDF]

open access: yes, 2007
Nowadays, huge amounts of data are stored outside the rigid boundary of highly- structured and traditional database management systems, such as World Wide Web, application data that deals with non-standard data formats, legacy systems and structured ...
Abdel Kader, Yasser
core   +6 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  

Justification for inclusion dependency normal form [PDF]

open access: yes, 2000
Functional dependencies (FDs) and inclusion dependencies (INDs) are the most fundamental integrity constraints that arise in practice in relational databases.
Vincent, Millist W., Levene, Mark
core   +8 more sources

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