Data Warehousing by Example - Database Answers
An early example of the use of the Canonical Data Model (CDM) is to map data from Data Sources to the EDM. This is a good opportunity to review the design of both the CDM and the EDM. You can see examples of how this works in practice in the hapters on A Day at …
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Learning Data Modelling by Example - Database …
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databaseanswers.orgIn addition to Dimension Models, we have included Entity-Relationship Diagrams, which we show simply as ‘ERD’. For each ERD we have added a brief description of the Business Rules that define the Entities or ‘Things of Interest’ and how they are related. This is very important because it helps the end-user to understand the kind of
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