i want to have a full detailed entity relationship diagram suitable for an online computer and mobile accessories shop
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Data flow diagrams (DFDs) reveal relationships between and among the various components of a program or system. Data flow diagrams are used to show how data is processed within some business processes. The development of DFD is a common practice for the modeling and analysis of business processes. This diagram represents the flow of business in the online store. Describe the inputs and outputs within the online sales process and describe the interactions between your participants. This DF diagram can be used by system analysts to create an overview of a business, to study and discover its inherent strengths and weaknesses.