Istituto di Scienza e Tecnologie dell'Informazione     
Locuratolo E., Lisi G. L. Database schema transformations to support portability. Internal note IEI-B4-41, 1996.
In this paper a technique is presented to transform a database schema, generated in some high level semantic model, to more specific database schemas, specified according to object-oriented data model, with different levels of implementation efficiency, down to a corresponding relational schema. In particular, the problem of transforming Is-a class hierarchies is considered. This technique serves to support the portability of a database application design to a target modelling level with the chosen database system characteristics.
Subject Database schema

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