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What is Database Transaction

Handbook of Research on Applied Optimization Methodologies in Manufacturing Systems
A unit of work performed within a database management system (Sarvari et al., 2016 AU82: The in-text citation "Sarvari et al., 2016" is not in the reference list. Please correct the citation, add the reference to the list, or delete the citation. ).
Published in Chapter:
Hub Location Allocation Problems and Solution Algorithms
Peiman A. Sarvari (Istanbul Technical University, Turkey), Fatma Betül Yeni (Istanbul Technical University, Turkey), and Emre Çevikcan (Istanbul Technical University, Turkey)
DOI: 10.4018/978-1-5225-2944-6.ch005
Abstract
The Hub Location-Allocation Problem is one of the most important topics in industrial engineering and operations research, which aims to find a form of distribution strategy for goods, services, and information. There are plenty of applications for hub location problem, such as Transportation Management, Urban Management, locating service centers, Instrumentation Engineering, design of sensor networks, Computer Engineering, design of computer networks, Communication Networks Design, Power Engineering, localization of repair centers, maintenance and monitoring power lines, and Design of Manufacturing Systems. In order to define the hub location problem, the present chapter offers two different metaheuristic algorithms, namely Particle Swarm Optimization or PSO and Differential Evolution. The presented algorithms, then, are applied to one of the hub location problems. Finally, the performances of the given algorithms are compared in term of benchmarking.
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Database Systems for Big Data Storage and Retrieval
A unit of work in RDBMS. It is an all or nothing proposition. All subtasks of a transaction are executed as a unit. If a subtask fails, all of the subtasks preceding the failed subtask are undone. A transaction execution takes the database from one valid state to another valid state. See ACID.
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