4/7/2024 0 Comments Data flow diagram in visio![]() Make use of the Resource Catalog to create a data flow from Online Bookstore to Customer. The book store will finally deliver the books to the customer. Release the mouse button on Online Bookstore and select Data Flow from Resource Catalog.To do this, move the mouse pointer over Customer. Therefore, create a data flow from Customer to Online Bookstore. In this case, "order" is a data created by customer and submitted into the system. ![]() A data flow is used to represent the movement of data between different parts of the system.Like creating process, you can create an external entity by dragging External Entity from diagram toolbar to diagram. Therefore, add an External Entity to diagram and name it Customer. As you can imagine, customers will be ordering books through the system.We will use online bookstore as an example to show you how to create multiple levels DFD. Drag Process from diagram toolbar to diagram. ![]()
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