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| Author | : George Theodore Heineman |
| Publisher | : |
| Total Pages | : 504 |
| Release | : 1996 |
| Genre | : |
| ISBN | : |
| Author | : Columbia University. Department of Computer Science |
| Publisher | : |
| Total Pages | : 55 |
| Release | : 1993 |
| Genre | : Software engineering |
| ISBN | : |
Abstract: "The database community has produced extensive research on the concurrency control problem in the context of traditional databases. However, this traditional model is not suitable for some applications, such as CAD/CAM systems and software development environments. What is needed is an extended transaction model better suited for these newer applications. Unfortunately, there is no consensus as to which of the almost dozens of extended transaction models is appropriate. This proposal posits that there is no single model which will be applicable to every application. To solve this problem, we propose PERN, a flexible and tailorable transaction manager component which provides the necessary support required by advanced database applications. In addition we introduce a transaction language for defining transaction models."
| Author | : Sushil Jajodia |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 380 |
| Release | : 2012-12-06 |
| Genre | : Computers |
| ISBN | : 1461562171 |
Motivation Modem enterprises rely on database management systems (DBMS) to collect, store and manage corporate data, which is considered a strategic corporate re source. Recently, with the proliferation of personal computers and departmen tal computing, the trend has been towards the decentralization and distribution of the computing infrastructure, with autonomy and responsibility for data now residing at the departmental and workgroup level of the organization. Users want their data delivered to their desktops, allowing them to incor porate data into their personal databases, spreadsheets, word processing doc uments, and most importantly, into their daily tasks and activities. They want to be able to share their information while retaining control over its access and distribution. There are also pressures from corporate leaders who wish to use information technology as a strategic resource in offering specialized value-added services to customers. Database technology is being used to manage the data associated with corporate processes and activities. Increasingly, the data being managed are not simply formatted tables in relational databases, but all types of ob jects, including unstructured text, images, audio, and video. Thus, the database management providers are being asked to extend the capabilities of DBMS to include object-relational models as well as full object-oriented database man agement systems.
| Author | : Columbia University. Dept. of Computer Science |
| Publisher | : |
| Total Pages | : 21 |
| Release | : 1994 |
| Genre | : Computer multitasking |
| ISBN | : |
Abstract: "This paper details our experience integrating a transaction manager component, called PERN with Process Weaver. Process Weaver's Petri-net based approach is excellent for explicitly modeling concurrent activities of cooperating agents, but there is no underlying mechanism for treating conflicting actions of concurrent, independent agents. In addition, there is a need for advanced transaction support if we are to extend petri nets to use object management systems to store and access data. This paper shows several experiments we performed and our resulting implementation."
| Author | : Mark Cameron Little |
| Publisher | : Prentice Hall |
| Total Pages | : 458 |
| Release | : 2004 |
| Genre | : Computers |
| ISBN | : |
Addresses transactions related issues faced by java developers.
| Author | : Lun Xiao |
| Publisher | : |
| Total Pages | : 120 |
| Release | : 1995 |
| Genre | : Concurrent Aggregates (Computer program language) |
| ISBN | : |
This thesis defines an extensible transaction model and shows that an extensible and customizable transaction system based on the model can be built using an object-oriented framework. The extensible transaction model consists of transactions and transaction managers. A transaction may have a type and there may be dependencies between transactions. A transaction system that implements this transaction model allows transaction managers with different concurrency control mechanisms to run simultaneously in the system. This will cause the interoperability problem. This thesis presents a solution to this problem based on the theory of commitment ordering. With additional application information, the solution can be further improved to reduce the rate of transaction abortion. The extensible transaction system is decomposed into four major components with each being represented by a subframework. The Transaction subframework represents transaction system interfaces for different levels of users. The TransactionManager subframework represents transaction managers for different transaction models. The ConcurrencyControlManager subframework implements various concurrency control mechanisms and the TransactionCoordinator subframework implements algorithms for the interoperability problem. All these subframeworks have been extended to show that application requirements can be satisfied by customizing one or more subframeworks. Another design consideration of the transaction system is to separate interface from implementation so that the transaction system is reconfigurable. To accomplish this design goal, the ConfigurationCoordinator class is implemented as a mapping between transaction interfaces and transaction managers. After introducing the problems of current transaction systems, defining terminology and surveying related work, this thesis presents an extensible transaction model, defines and describes solutions to the interoperability problem, discusses how the extensible transaction system can be built and shows how subframeworks are extended and customized.
| Author | : Roland R. Wagner |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 952 |
| Release | : 1996-08-28 |
| Genre | : Business & Economics |
| ISBN | : 9783540616566 |
Content Description #Includes bibliographical references and index.
| Author | : Rahul Sharma |
| Publisher | : Addison-Wesley Professional |
| Total Pages | : 422 |
| Release | : 2001 |
| Genre | : Computers |
| ISBN | : 9780201775808 |
This handbook on J2EE (Java 2 Enterprise Edition) platform connector architecture shows how to maximise J2EE applications within the application integration space. It includes a detailed look at connection pooling, transactions and managing security.
| Author | : Ahmed K. Elmagarmid |
| Publisher | : Morgan Kaufmann |
| Total Pages | : 440 |
| Release | : 1999 |
| Genre | : Computers |
| ISBN | : 9781558602168 |
An Overview of Multidatabase Systems: Past and Present / Athman Bouguettaya, Boualem Benatallah, Ahmed Elmagarmid / - Local Autonomy and Its Effects on Multidatabase Systems / Ahmed Elmagarmid, Weimin Du, Rafi Ahmed / - Semantic Similarities Between Objects in Multiple Databases / Vipul Kashyap, Amit Sheth / - Resolution of Representational Diversity in Multidatabase Systems / Joachim Hammer, Dennis McLeod / - Schema Integration: Past, Present, and Future / Sudha Ram, V. Ramesh / - Schema and Language Translation / Bogdan Czejdo, Le Gruenwald / - Multidatabase Languages / Paolo Missier, Marek Rusinkiewicz, W. Jin / - Interdependent Database Systems / George Karabatis, Marek Rusinkiewicz, Amit Sheth / - Correctness Criteria and Concurrency Control / Panos K. Chrysanthis, Krithi Ramamritham / - Transaction Management in Multidatabase Systems: Current Technologies and Formalisms / Ken Barker, Ahmed Elmagarmid / - Transaction-Based Recovery / Jari Veijalainen. ...
| Author | : International Federation for Information Processing |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 713 |
| Release | : 2004-10-06 |
| Genre | : Computers |
| ISBN | : 3540233881 |
This book constitutes the refereed proceedings of the IFIP International Conference on Network and Parallel Computing, NPC 2004, held in Wuhan, China in October 2004. Also included are selected refereed papers from two workshops associated with NPC 2004. The 46 revised full papers and 23 revised short papers presented together with abstracts of 5 invited presentations were selected from a total of 338 submissions. The 25 workshop revised papers included also were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on grid computing, peer-to-peer computing, Web techniques, cluster computing, parallel programming environments, network architecture, network security, network storage, intelligent sensor networks, and multimedia modeling and security in next generation network information systems.
