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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Building Information System Variants with Tailored Database Schemas Using Features
verfasst von : Martin Schäler, Thomas Leich, Marko Rosenmüller, Gunter Saake
Erschienen in: Advanced Information Systems Engineering
Verlag: Springer Berlin Heidelberg
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Database schemas are an integral part of many information systems (IS). New software-engineering methods, such as
software product lines
, allow engineers to create a high number of different programs tailored to the customer needs from a common code base. Unfortunately, these engineering methods usually do not take the database schema into account. Particularly, a tailored client program requires a tailored database schema as well to form a consistent IS. In this paper, we show the challenges of tailoring relational database schemas in software product lines. Furthermore, we present an approach to treat the client and database part of an IS in the same way using a variable database schema. Additionally, we show the benefits and discuss disadvantages of the approach during the evolution of an industrial case study, covering a time span of more than a year.