Conceptual Modelling Styles
نویسنده
چکیده
Three steps in data modelling include conceptual, logical and physical modelling. The conceptual modelling models data from the users’ perspective independently from any logical and physical implementation. The paper discusses different conceptual modelling styles that may apply in modelling transactional and analytical information system. They are distinguished by the modelling intention, the type of system decomposition and the way of modelling. The developed models may be equally expressive if they use the same but differently structured data which fulfil their different purposes
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