School: The University of Alabama           Price: $5.00 USD

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This document compares two systems of modeling.

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The University of Alabama
TITLE: LOGIACAL MODELLING VS PHYSICAL MODELLING.SCHOOL: UNIVERSITY OF ALABAMA.UNIT: SYSTEMS MODELLING.QUESTION.1. Explain the difference between logical modelling and physical modelling.ANSWERS.Models are a fundamental requirement of every business. Models are used visually to depict anyproposed database and database object so as to capture all the requirements of the firm or client.It is a representation of the data conditions, such as documentation and structure. There are twocategories of data modeling: logical modeling and physical modeling.Logical modeling is that modeling which collects all business requirements and converts theminto a model. It proceeds the physical model. It centers on the requirements or needs of the firmor client and not those of the database. Information collected from the business entities,processes, and organizational units. Then, diagrams (su
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