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Based on the Database Design and Modeling of PowerDesigner

Wu Rong

Abstract

The database design in the entire database's use was a very important part,this article introduced emphatically carried on the database design and the modelling based on PowerDesigner,from user database design stage:Demand analysis,data flow graph,E-R chart,data dictionary,to user based on PowerDesigner modelling stage:Conceptual model CDM,physical model PDM,has the test data production script,finally carries out the script in SQL Server2000,forms in the database the data sheet. Through based on the PowerDesigner database's design and the modelling,we can the reasonable design database structure as well as conveniently to the database modelling.

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Key concepts: Computer science, Database design, Database, Physical data model, Database model, Database schema, Database testing, Database application