E-Commerce Portal Dataflow Diagram

Posted By freeproject on April 27, 2017

E-Commerce Portal Data flow diagram is often used as a preliminary step to create an overview of the E-Commerce without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the E-Commerce process. It contains all of the userflow and their entities such all the flow of Product, Category, Sales, Customer, Payment, Bill, Shiping. All of the below diagrams has been used for the visualization of data processing and structured design of the E-Commerce process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of E-Commerce Portal :

This is the Zero Level DFD of E-Commerce Portal, where we have eloborated the high level process of E-Commerce. It’s a basic overview of the whole E-Commerce Portal or process being analyzed or modeled. It’s designed to be an at-a-glance view of Payment,Bill and Shiping showing the system as a single high-level process, with its relationship to external entities of Product,Category and Sales. It should be easily understood by a wide audience, including Product,Sales and Payment In zero leve DFD of E-Commerce Portal, we have described the high level flow of the E-Commerce system.

High Level Entities and proccess flow of E-Commerce Portal:

  • Managing all the Product
  • Managing all the Category
  • Managing all the Sales
  • Managing all the Customer
  • Managing all the Payment
  • Managing all the Bill
  • Managing all the Shiping
Zero Level DFD E-Commerce Portal

First Level Data flow Diagram(1st Level DFD) of E-Commerce Portal :

First Level DFD (1st Level) of E-Commerce Portal shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the E-Commerce Portal system as a whole. It also identifies internal data stores of Shiping, Bill, Payment, Customer, Sales that must be present in order for the E-Commerce system to do its job, and shows the flow of data between the various parts of Product, Sales, Bill, Shiping, Payment of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of E-Commerce.

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Product records and generate report of all Product
  • Processing Category records and generate report of all Category
  • Processing Sales records and generate report of all Sales
  • Processing Customer records and generate report of all Customer
  • Processing Payment records and generate report of all Payment
  • Processing Bill records and generate report of all Bill
  • Processing Shiping records and generate report of all Shiping
First Level DFD E-Commerce Portal

Second Level Data flow Diagram(2nd Level DFD) of E-Commerce Portal :

DFD Level 2 then goes one step deeper into parts of Level 1 of E-Commerce. It may require more functionalities of E-Commerce to reach the necessary level of detail about the E-Commerce functioning. First Level DFD (1st Level) of E-Commerce Portal shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Shiping, Bill, Payment, Customer, Sales, Category, Product.

Low level functionalities of E-Commerce Portal

  • Admin logins to the system and manage all the functionalities of E-Commerce Portal
  • Admin can add, edit, delete and view the records of Product, Sales, Payment, Shiping
  • Admin can manage all the details of Category, Customer, Bill
  • Admin can also generate reports of Product, Category, Sales, Customer, Payment, Bill
  • Admin can search the details of Category, Payment, Bill
  • Admin can apply different level of filters on report of Product, Customer, Payment
  • Admin can tracks the detailed information of Category, Sales, Customer, , Payment
Second Level DFD E-Commerce Portal
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