Logical data modelling demonstrates how data is arranged and how it links to other data without the need to consider how the data will be stored or represented in the future. Because it's beneficial to think about data in a logical manner while processing it. Because some or all of these systems make use of logical data models, it is important to understand how DFDs and these models interact in order to store data.

Logical data modelling demonstrates how data is arranged and how it links to other data without the need to consider how the data will be stored or represented in the future. Because it's beneficial to think about data in a logical manner while processing it. Because some or all of these systems make use of logical data models, it is important to understand how DFDs and these models interact in order to store data.

Principles of Information Systems (MindTap Course List)

12th Edition

ISBN:9781285867168

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter12: Systems Development: Investigation, Analysis, And Design

Section: Chapter Questions

Problem 12SAT: Data modeling is most often accomplished through the use of a(n) __________________. a....

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