Data Model


 Data models are graphical depictions of the data components and relationships within a company. Models aid in the creation of efficient information systems by providing guidance on how to describe and organize data within the framework of pertinent business activities.


 
The organization of data items in an information system is determined by a data model. The relationships between data items and the methods used to retrieve and store data are described in a data model. Data models frequently use graphs or data model diagrams to show how data flows.




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