![]() SDT 4.1 targets SYNBASE 4.0, INGRES 6.3, and INFORMIX 4.0. ![]() SDT consists of three main parts: (1) The first part maps EER schemas into abstract relational schemas, (2) the second part maps abstract relational schemas into schema definitions for RDBMSs and (3) the third part generates the metadata regarding EER schemas, relational schemas, and their mappings. In this document we describe schema design and translation tool called SDT.SDT takes as input Extended Entity-Relationship (EER) schemas and generates relational database management (RDBMS) schemas.
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