The Data Model Resource Book: A Library of Universal Data Models for All Enterprises: 1

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When first introduced to Richard Barker's "Entity Relationship Modeling" text during graduate school, this reviewer does admit that becoming familiar with his notation did take some, but all told it does not deviate significantly from Crow's Foot, and after a short amount of time the reader will actually notice some advantages in using it, one of which is the reduced space that substantive models need to consume. Sure, additional information not available with the CD can be purchased on Silverston's companion web site at Wiley, but it really is not necessary.

The Data Model Resource Book, Volume 1 - Len Silverston - Häftad () | Bokus

Not only are these downloads not necessary, these may detract from the process of understanding the material that Silverston is attempting to present. And Silverston presents very well. Silverston explains in this volume that clients have inquired on numerous occasions where they can find texts showing standard ways to model data constructs, and "based on numerous experiences of using template or 'universal data models' and customizing them for various enterprises, we have concluded that usually more than 50 percent of the data model corporate or logical consists of common constructs that are applicable to most organizations, another 25 percent of the model is industry specific, and on average about 25 percent of the enterprise's data model is specific to that organization.

Of course, as John Zachman indicates in the second volume, "Let's get pragmatic. Starting with a universal data model does not absolve anyone of the responsibility of knowing his or her own enterprise intimately, at even an excruciating level of detail!


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Nor does it absolve anyone from the responsibility of learning how to build data models! What you have to do is start with the universal model, and then understanding data modeling and understanding your own enterprise, make the necessary modifications to make the universal model your own.

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Five chapters on data warehousing modeling follow, including explanations on how to create the data warehouse data model from the enterprise data model, as well as star schema designs for sales analysis, human resources, inventory management analysis, purchase order analysis, shipment analysis, work effort analysis, and financial analysis. When determining which of the three volumes you might purchase, be aware that there is some overlap between the volumes. For example, the second volume in this series contains models for products and people and organizations.

In respect to these subject areas, however, the second volume in this series presents this information in respect to specific industries, while this first volume discusses them in a manner universal to all industries, significantly expanding upon any overlapping areas of the second volume while at the same time remaining industry neutral. Remember though that all of these models are to be used simply as input to your enterprise modeling efforts rather than as end states in themselves. This reviewer recommends this text just as wholeheartedly as the second volume in this series.

It can never hurt to get additional insight from other industry practitioners, and compared to other available resources the cost of this text is trivial. Note also that the second volume in this series refers to this volume in a number of different areas, so it makes sense to acquire these two volumes together. May 31, - Published on Amazon.


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Relatively few technical books hold their value over time, but this is one of them. This volume describes example data models for areas of interest to most businesses: organization, products, ordering, shipping, work effort, invoicing, accounting and HR. The first two thirds of the book cover operational systems, and the final third addresses star schemas for data warehouses.

The Data Model Resource Book, Volume 1 : A Library of Universal Data Models for All Enterprises

The intent is to provide a starting point to help designers faced with developing new data models for businesses, perhaps in an area they are not already familiar with: indeed the Apache OFBiz ERP project has been built based on the models in this book. Silverston has over 20 years' experience in delivering data integration, database and data warehouse solutions to organizations.

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About the Author. People and Organizations. Ordering Products. Work Effort. Accounting and Budgeting. Human Resources.

Data Model Resource Book, revised volume 1 & 2

Star Schema Designs for Sales Analysis. Star Schema Designs for Human Resources. Human Resources. Creating the Data Warehouse Data Model from. Removing Operational Data.

Star Schema Design Tables and Columns. Silverston has over 20 years' experience in delivering data integration, database and data warehouse solutions to organizations. Work Effort.

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