The purpose of the Relational Diagram is to document the relationship between different types of information on a physical level.
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The Purpose of the Data Model Diagram template is to model the structure of data entities of an Information System and their relationships.
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The purpose of the Data Mapping Diagram is to map data’s sources.
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he purpose of the Data Flow Diagram is to document a system’s or part of a system’s data flows; the data input the system (or a process within the system) consumes and the data output the system produces.
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A conceptual data model is a high level or coarse data model which is preliminary in structure, possibly abstract in content and sparse in attributes, that is intended to represent a business area.
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The purpose of a Concept Model is to organize an enterprise’s vocabulary to support consistent and unambiguous communication about specific problem domains across business units.
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The purpose of the Class Diagram template is to document the structural aspects of a system using the UML. Below, an example of a simple Class Diagram is shown
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