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      Comparison of the Decision Support systems and the Transaction Support System Development Methodologies

      Proceedings of the First East-European Symposium on Advances in Databases and Information Systems (ADBIS)

      Advances in Databases and Information Systems

      2-5 September 1997

      development methodology, DSS, TSS, data modeling, data warehouse, OLAP

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          There is a substantial difference between the development methodologies of the following two Information Systems: Transaction Support System (TSS) and Decision Support System (DSS). The central concern of the Transaction Support System that supports the operational world in organizations is transaction processing. The retrieval of information for analytical purposes is in the very focus of the Decision Support System. The DSS provoked a series of changes in RDBMS technology. In 1995 the data warehousing was recognized as a new concept. Multi-dimensional architecture of a data model emerged beside the existing relational one. The following year brought an explosion of the OLAP tools. Now the time has come for the full recognition of the DSS development methodology as a separate discipline. This methodology is presented on the following pages. There are obstacles that make it difficult to accept or have a clear view of it. These obstacles are highlighted through the comparison to the TSS developmentmethodology that represents the traditional point of view. Tasks, deliverables, techniques, approaches, differences, similarities and analogies are discussed for each development activity. It is irrelevant for the discussion whether the DSS comprises data warehouse or/and some other store of data of the similar type, e.g. data mart or/and operational data store (ODS). This paper tries to reveal why it is so hard to accept the Decision Support System development methodology.

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          September 1997
          September 1997
          : 1-19
          Croatian Radio Television

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          © Vinko Cippico. Published by BCS Learning and Development Ltd. Proceedings of the First East-European Symposium on Advances in Databases and Information Systems, (ADBIS'97), St Petersburg

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit

          Proceedings of the First East-European Symposium on Advances in Databases and Information Systems
          St Petersburg
          2-5 September 1997
          Electronic Workshops in Computing (eWiC)
          Advances in Databases and Information Systems
          Product Information: 1477-9358BCS Learning & Development
          Self URI (journal page):
          Electronic Workshops in Computing


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