Results 21 to 30 of about 1,589 (91)

Oracle 19c, SQL Server 2019, Postgresql 12 and MySQL 8 database systems comparison

open access: yesJournal of Computer Sciences Institute, 2020
This article presents a comparative analysis of four popular database technologies. Commercial Oracle Database and SQL Server systems are compared with open source database management systems: PostgreSQL and MySQL.
Arkadiusz Solarz, Tomasz Szymczyk
doaj   +1 more source

The relational database system of KM3NeT

open access: yesEPJ Web of Conferences, 2016
The KM3NeT Collaboration is building a new generation of neutrino telescopes in the Mediterranean Sea. For these telescopes, a relational database is designed and implemented for several purposes, such as the centralised management of accounts, the ...
Albert Arnauld, Bozza Cristiano
doaj   +1 more source

Predicting Customers Churn in a Relational Database [PDF]

open access: yesInformatică economică, 2014
This paper explores how two main classical classification models work and generate predictions through a commercial solution of relational database management system (Microsoft SQL Server 2012). The aim of the paper is to accurately predict churn among a
Catalin CIMPOERU, Anca Ioana ANDREESCU
doaj   +1 more source

Structuring, Recording, and Analyzing Historical Networks in the China Biographical Database

open access: yesJournal of Historical Network Research, 2021
The China Biographical Database (CBDB) is a relational database of over 450,000 individuals from pre-modern Chinese history. CBDB is distinctive as a prosopographical database in that it allows users to generate kinship and social networks for ...
Michael Fuller, Hongsu Wang
doaj   +1 more source

Semantic query in a relational database using a local ontology construction (Retracted)

open access: yesSouth African Journal of Science, 2012
Semantic Web refers to a Web of linked data in which data can be shared and reused, allowing more uses than the traditional 'Web of documents'. However, most of the information on the Web is stored in relational databases and such databases cannot be ...
Saeed Sedighi, Reza Javidan
doaj   +4 more sources

Proposed Framework which Uses Object Oriented Principles in Relational Systems: Structure and Formating (Part 2) [PDF]

open access: yesInformatică economică, 2006
Our approach tries to overcome the limitations of so called “flat nature” of relational systems, in the actual context of actual relational database theories, database systems technologies and object oriented methodologies by proposing an MDA framework ...
Catalin STRIMBEI
doaj  

Working with Legacy Relational Data in A Graph-Based World

open access: yesInternational Journal of Population Data Science, 2020
The Next Generation Linkage Management System (NGLMS) was designed around keeping all data in a graph database. However, this constraint, while easily achievable for greenfield projects and/or new data linkage units, may not be easily met where legacy ...
James Farrow
doaj   +1 more source

Transforming Fuzzy Spatiotemporal Data From Relational Databases to XML

open access: yesIEEE Access, 2018
On account of the poor shareability of fuzzy spatiotemporal data in Web while XML could contribute to information performance and information interaction flexibly, we study the methodology of modeling the fuzzy spatiotemporal data based on relational ...
Nan Li, Luyi Bai
doaj   +1 more source

A comparative analysis of non-relational databases in e-commerce applications

open access: yesJournal of Computer Sciences Institute, 2023
In this article, a comparative analysis of non-relational databases was conducted to determine the best database for e-commerce systems. Non-relational systems such as MongoDB and Apache Cassandra were used for the study and the results were compared ...
Kacper Saweczko   +2 more
doaj   +1 more source

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

open access: yesJournal 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
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