Author(s)

P. Pouyioutas

Abstract

In this paper we present the first version of the NOCAT Case Tool for Data Normalisation. A prototype version was presented in SEHE 1994 [1]. NOCAT was developed using the object-based language ObjectPal of Paradox for Windows [2]. Herein, we explain the main functionality of NOCAT and its expected use and usefulness. The NOCAT case tool provides support for teaching the database design technique of Data Normalisation. In this paper we explain how NOCAT provides tutorial support through the on-line tutorial and the various multiple-choice questions. We also explain how the interactive built- in and user-defined examples and exercises support the learning of this design technique. Finally, we illustrate how the "automatic normalisation" facility to be provided by the tool will enable students to check the answers to their examples and exercis

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