F. Hüsemann

Schema Transformation for Reverse Engineering of Relational Databases

Abstract

Interoperability between heterogeneous databases and database systems is a topic of growing interest in database research as well as in practice. One means for coupling different database systems are database gateways. In this paper we focus on the issue of schema transformation and describe a software component that maps relational schemas to object-oriented ones. The component is part of a database gateway which can translate queries and commands for data manipulation into another language, e.g. OQL queries into SQL queries. This translation depends on the mapping information generated during the schema mapping process. We present a first version of a language for an exact specification of mappings, and describe how the schema transformation component works in detail. Furthermore, we give an outlook on the topic of translating commands and queries and describe our main directions for future work.

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BibTeX-Referenz

@TECHREPORT{Hu98,
	AUTHOR = {F. H{\"u}semann},
	TITLE = {Schema Translation for Reverse Engineering of Relational Data\-bases},
	INSTITUTION = {Institut f{\"u}r Informatik},
	ADDRESS = {Friedrich--Schiller--Universit{\"a}t Jena},
	YEAR = 1998,
	TYPE = {Forschungsergebnisse der Fakult{\"a}t f{\"u}r Mathematik und
	        Informatik},
	NUMBER = {Math/Inf/98/09},
        MONTH = mar
}
Frank Hüsemann