Data Flow Diagram (DFD) is a methodology of graphical structural analysis and information systems design, which describes the sources external in respect to the system, recipients of data, logical functions, data flows and data stores that are accessed. DFDs allow to identify relationships between various system's components and are effectively used in business analysis and information systems analysis. They are useful for system’s high-level details modeling, to show how the input data are transformed to output results via the sequence of functional transformations. For description of DFD diagrams are uses two notations — Yourdon and Gane-Sarson, which differ in syntax.
Online Store DFD example illustrates the Data Flow Diagram for online store, the interactions between Customers, Visitors, Sellers, depicts User databases and the flows of Website Information. ConceptDraw DIAGRAM enhanced with Data Flow Diagrams solution lets you to draw clear and simple example of DFD for Online Store using special libraries of predesigned DFD symbols.
Material requisition is a request generated by internal or external organization with a goal to inform the purchase department about the needed items and materials. The requisition can be represented as a written document on a pre-printed form or online request in form of electronic document. The electronic inquisition occupies a leading position in a modern world, now the paper forms are replaced by electronic ordering processes and workflows. The requisition is actively used in business as an internal document for notification the store about the needed goods, in medicine for making the orders on medical equipment and medicaments, in industry for creation request for purchasing some items and materials, and so on.
ConceptDraw DIAGRAM ector graphics software extended with Flowcharts solution from the Diagrams area is powerful and useful tool for drawing various types of Flowcharts, including without doubt the Material Requisition Flowchart of any degree of detailing. Succeed in drawing using the large quantity of predesigned flowchart specific shapes, symbols and icons.
UML Component Diagram Online Shopping. This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the UML Component Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
This sample shows the concept of the online shopping and is used for the understanding of the online shopping processes, of the online shops working processes, for projection and creating of the online stores.
