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Title: Automatic adaptation of software applications to database evolution by graph differencing and AOP-based dynamic patching
Authors: Song, Y.
Peng, X.
Xing, Z. 
Zhao, W.
Keywords: Application adapter
Database evolution
Software evolution
Software maintenance
Issue Date: 2012
Citation: Song, Y., Peng, X., Xing, Z., Zhao, W. (2012). Automatic adaptation of software applications to database evolution by graph differencing and AOP-based dynamic patching. Proceedings - International Computer Software and Applications Conference : 111-118. ScholarBank@NUS Repository.
Abstract: Modern information systems, such as enterprise applications and e-commerce applications, often consist of databases surrounded by a large variety of software applications depending on the databases. During the evolution and deployment of such information systems, developers have to ensure the global consistency between database schemas and surrounding software applications. However, in such situations as Enterprise Application Integration (EAI), databases are shared by a number of software applications contributed by different independent parties, and the developers of those applications often have little or no control on when and how database schema evolves over time. As a result, databases and software applications may not always remain in sync. Such inconsistency may lead to data loss, program failures, or decreased performance. The fundamental challenge in evolving and deploying such database-centric information systems is the fact that databases and their surrounding software applications are subject to independent, asynchronous, and potentially conflicting evolution processes. In this paper, we present an approach to automatically adapting software applications to the evolution of their underlying databases by graph-based schema differencing and aspect-oriented dynamic patching. Our empirical study shows that our approach can automatically adapt software applications to a number of common types of database schema evolution, which accounts for over 87.5% of all schema evolution in the subject system. Our approach allows database schema maintainer to evolve database schema more freely without being afraid of breaking surrounding software applications; it also allows application developers to catch up database schema evolution more quickly without diverting too much from their main business concerns. © 2012 IEEE.
Source Title: Proceedings - International Computer Software and Applications Conference
ISBN: 9780769547367
ISSN: 07303157
DOI: 10.1109/COMPSAC.2012.21
Appears in Collections:Staff Publications

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