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 graphical tools that help you visualize and document the movement and transformation of data in a system. They can be useful for designing, analyzing, and improving ...

Arrows, -->|label| denotes a Data Flow labeled as label; Besides a few shapes that are missing (e.g. Data Store represented by horizontal parallel lines), all shapes would also need to be available in ...