Description
A guide to the use of ER win a visual data modeling tool that supports logical and physical data modeling. The program supports the design of large, complex enterprise models by dividing them into smaller more manageable subject areas which allows multiple views of the same subject area. After describing the basics of modeling concepts and the program, the author explains how to use ER win to create a logical model that represents necessary information requirements and business rules. Finally the use of database administration for developing physical models is explained. Annotation c. Book News, Inc., Portland, OR (booknews.com)
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From the first chapter, author Carla DeAngelis skillfully explains the normally complex concepts of Data Modeling-a critical success factor in the information-based enterprises of today. Carla tackles complex topics such as Logical Data Models, Modeling Methodologies, Relationships, and Attributes in a clear style that makes it simple for anyone to begin applying them immediately. Once the foundation has been laid, Carla teaches you to develop your own databases with ERwin. You will learn to use the tool to create primary keys and assign attributes, build data relationships with point and click ease, build and edit tables with Erwin's built-in editors, create indexes with the Index Editor, write custom SQL scripts, and process reports with the Report Tools.
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