Logical Vs. Physical Data Flow Diagrams. There are two primary types of data flow diagrams, each with a specific function and designed to inform a different target audience. Logical data flow diagrams ...

As an exploded view of the context diagram, a level 1 DFD can be thought of as an “exploded view”. What Is Level 2 Data Flow Diagram? The data flow diagram (DFD) template at this level 2 shows the ...

What Are The Two Types Of Data Flow Diagram? A logical DFD is different from a physical one. Logic diagrams illustrate how information is moved through a system, such as where data originates from, ...

Many neophyte data modelers have trouble distinguishing between logical and physical data models. These novices likely cannot explain why each model exists, or the differences expressed between them.