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 ...

You can use symbols, such as arrows, circles, or rectangles, to represent the data flows and processes in your data flow diagram. You should also label each data flow and process with a ...

A rectangle-shaped process box in a flowchart indicates data manipulations and calculations that do not involve decisions. Processes execute in clearly-defined steps, and within a process box, the ...