Information Model Poster: clearly define what matters for your business
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Compared to some other techniques in business analysis, information modeling is incredibly simple. To build even the most complex and large data models we only need three basic elements: entity types, attribute types and relationship types.
By using this poster, you’ll be able to boost your information modeling skills!
But this simplicity hides the true power of the entity-relationship diagram. The complexity lies not within the elements, but in how those elements are used in practice.
This poster presents the “anatomy” of a good information model. It introduces different entity types (kernel, characteristic, derived and reference), multiple attribute types (normal, primary keys and foreign keys), and a way to express business rules using optionality and cardinality specifications on relationships.
By using this poster, you’ll be able to boost your information modeling skills!