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首页> 外文会议>Software Maintenance, 2009. ICSM 2009 >Digging deep: Software reengineering supported by database reverse engineering of a system with 30+ years of legacy
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Digging deep: Software reengineering supported by database reverse engineering of a system with 30+ years of legacy

机译：深入研究：对具有30多年历史的系统进行数据库反向工程支持的软件再工程

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This paper describes the industrial experience in performing database reverse engineering on a large scale software reengineering project. The project in question deals with a highly heterogeneous in-house information system (IS) that has grown and evolved in numerous steps over the past three decades. This IS consists of a large number of loosely coupled single purpose systems with a database driven COBOL application at the centre, which has been adopted and enhanced to expose some functionality over the web. The software reengineering effort that provides the context for this paper deals with unifying these components and completely migrating the IS to an up-to-date and homogeneous platform. A database reverse engineering (DRE) process was tailored to suit the project environment consisting of almost 350 tables and 5600 columns. It aims at providing the developers of the software reengineering project with the necessary information about the more than thirty year old legacy databases to successfully perform the data migration. The application of the DRE process resulted in the development of a high-level categorization of the data model, a wiki based redocumentation structure and the essential data-access statistics.
机译：本文描述了在大型软件再造项目中执行数据库逆向工程的行业经验。所涉及的项目涉及高度异构的内部信息系统（IS），该信息系统在过去的三十年中已经以许多步骤成长和发展。该IS由大量的松散耦合的单用途系统组成，中心处有数据库驱动的COBOL应用程序，该系统已被采用和增强以在Web上公开某些功能。为本文提供背景的软件重新设计工作涉及统一这些组件并将IS完全迁移到最新的同类平台。量身定制了一个数据库逆向工程（DRE）流程，以适应包含近350个表和5600列的项目环境。它旨在为软件再造项目的开发人员提供有关已有30多年历史的旧数据库的必要信息，以成功执行数据迁移。 DRE流程的应用导致了数据模型的高级分类，基于Wiki的重新文档编制结构和基本的数据访问统计数据的开发。

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