Learning Data Modelling by Example - Database …

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data modeling by Example : Volume 1 1 data Modelling by Example Barry Williams data modeling by Example : Volume 1 2 Table of Contents Table of Contents ........................................ ........................................ ....................................... 1 Welcome ........................................ ........................................ ........................................ ............ 4 1. Some Basic Concepts.

Data Modeling by Example: Volume 1 5 Hierarchies Inheritance Reference Data At the end of this tutorial, we will have produced a data model, which is commonly referred as an Entity-Relationship Diagram, or 'ERD'.

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