Results 11 to 20 of about 5,454,291 (247)

Distributed Database Systems in the Dynamic Networks Environment

open access: yesCommunications, 2011
This article describes a new architecture of a distributed database system, which is designed especially for the dynamic networks environment. Problems with the architecture of a traditional distributed database system are explained, and a solution is ...
Jan Janech, Tomas Baca
doaj   +2 more sources

RESEARCH OF ACID TRANSACTION IMPLEMENTATION METHODS FOR DISTRIBUTED DATABASES USING REPLICATION TECHNOLOGY

open access: yesСучасний стан наукових досліджень та технологій в промисловості, 2021
Today, databases are an integral part of most modern applications designed to store large amounts of data and to request from many users. To solve business problems in such conditions, databases are scaled, often horizontally on several physical servers ...
Oksana Mazurova   +2 more
doaj   +1 more source

Query optimization-oriented lateral expansion method of distributed geological borehole database

open access: yesOpen Geosciences, 2023
In order to reduce the resource occupancy and retrieval efficiency of geological drilling databases, this study proposes a distributed horizontal expansion method for query optimization of geological drilling databases by constructing a comprehensive ...
Luo Qingjia
doaj   +1 more source

Optimization of correlate subquery based on distributed database

open access: yesXibei Gongye Daxue Xuebao, 2021
Subquery is widely used in database. It can be divided into related subquery and non-related subquery according to whether it is dependent on the table of the parent query.

doaj   +1 more source

Research and implementation of HTAP for distributed database

open access: yesXibei Gongye Daxue Xuebao, 2021
Data processing can be roughly divided into two categories, online transaction processing OLTP(on-line transaction processing) and online analytical processing OLAP(on-line analytical processing).

doaj   +1 more source

Distributed Database Systems

open access: yesIASSIST Quarterly, 1993
Distributed Database ...
Raymond Board
doaj   +1 more source

Query optimization of distributed database based on multiple ant colony genetic algorithm

open access: yes上海师范大学学报. 自然科学版, 2018
In the light of the defect of single algorithm of query optimization,this paper proposes a multiple ant colony genetic algorithm combining the advantages of ant colony algorithm and genetic algorithmwhich overcomes the blindness of early search of ant ...
Zhou Ying, Chen Junhua
doaj   +1 more source

Universal algorithm of processing of requests with use of parallel technology [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2018
Processing and storage of a large amount of information is one of the difficult and interesting tasks at the moment. The performance of the system as a whole depends on how well the performance and reliability of the database are implemented.
Timofeeva N.E., Dmitrieva K.A.
doaj   +1 more source

Translating a Distributed Relational Database to a Document Database [PDF]

open access: yesData Science and Engineering, 2022
AbstractThe problem of transferring data from a database of one type to a database of another type is relevant today due to the increase in data volumes and the complexity of tasks solved in various fields of human activity. The existing databases are less and less satisfying the needs of users.
Muon Ha, Yulia A. Shichkina
openaire   +2 more sources

Distributed Database Using Mobile Agent

open access: yesIJID (International Journal on Informatics for Development), 2017
The number of sources of information brings several problems, among them about how to combine the distributed data storage and different. Information on an organization or company is usually stored in separate locations and different formats. When there
Bambang Sugiantoro   +3 more
doaj   +1 more source

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