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Archive | September, 2009

BTM – Business Transaction Modelling

Brand New Business Modelling Technique Business Transaction Modelling (BTM) is the latest technique to be added to the Integrated Modelling Method.  Like all other techniques in IMM, BTM is fully integrated with the core techniques of the overall method. What is a Business Transaction? A business transaction is a series of steps (Business Functions) that […]

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Data Modelling: The Power of QUACKs and UIDs

Codes are Not Identifiers In my previous post on how unique keys cause duplication in databases I demonstrated that codes are not identifiers for data entities and, by extension, they cannot be unique identifiers (UIDs). Why Do People Use Codes? If codes are not identifiers how come they are used so extensively?  Because, when used […]

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