In this article, you will learn what a data flow diagram is, what are its main components and symbols, and how it can help you with data modeling. Top experts in this article Selected by the ...

Data flow diagrams (DFDs) are a common tool for business analysts to visualize the flow of information in a system. They can help you understand how different processes, entities, and data stores ...

This paper introduces procedures which facilitate the development of and the linking between modular data processing operations into different and versatile system solutions. Based on the concept of ...