Online Book Store Dataflow Diagram

Posted By freeproject on April 17, 2017

Online Book Store Data flow diagram is often used as a preliminary step to create an overview of the Book Store without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Book Store process. It contains all of the userflow and their entities such all the flow of Book, Customer, Order, Order Update, Bills, Book Stocks, Delivery. All of the below diagrams has been used for the visualization of data processing and structured design of the Book Store process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Online Book Store :

This is the Zero Level DFD of Online Book Store, where we have eloborated the high level process of Book Store. It’s a basic overview of the whole Online Book Store or process being analyzed or modeled. It’s designed to be an at-a-glance view of Bills,Book Stocks and Delivery showing the system as a single high-level process, with its relationship to external entities of Book,Customer and Order. It should be easily understood by a wide audience, including Book,Order and Bills In zero leve DFD of Online Book Store, we have described the high level flow of the Book Store system.

High Level Entities and proccess flow of Online Book Store:

  • Managing all the Book
  • Managing all the Customer
  • Managing all the Order
  • Managing all the Order Update
  • Managing all the Bills
  • Managing all the Book Stocks
  • Managing all the Delivery
Zero Level DFD Online Book Store

First Level Data flow Diagram(1st Level DFD) of Online Book Store :

First Level DFD (1st Level) of Online Book Store 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 Online Book Store system as a whole. It also identifies internal data stores of Delivery, Book Stocks, Bills, Order Update, Order that must be present in order for the Book Store system to do its job, and shows the flow of data between the various parts of Book, Order, Book Stocks, Delivery, Bills 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 Book Store.

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

  • Processing Book records and generate report of all Book
  • Processing Customer records and generate report of all Customer
  • Processing Order records and generate report of all Order
  • Processing Order Update records and generate report of all Order Update
  • Processing Bills records and generate report of all Bills
  • Processing Book Stocks records and generate report of all Book Stocks
  • Processing Delivery records and generate report of all Delivery
First Level DFD Online Book Store

Second Level Data flow Diagram(2nd Level DFD) of Online Book Store :

DFD Level 2 then goes one step deeper into parts of Level 1 of Book Store. It may require more functionalities of Book Store to reach the necessary level of detail about the Book Store functioning. First Level DFD (1st Level) of Online Book Store shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Delivery, Book Stocks, Bills, Order Update, Order, Customer, Book.

Low level functionalities of Online Book Store

  • Admin logins to the system and manage all the functionalities of Online Book Store
  • Admin can add, edit, delete and view the records of Book, Order, Bills, Delivery
  • Admin can manage all the details of Customer, Order Update, Book Stocks
  • Admin can also generate reports of Book, Customer, Order, Order Update, Bills, Book Stocks
  • Admin can search the details of Customer, Bills, Book Stocks
  • Admin can apply different level of filters on report of Book, Order Update, Bills
  • Admin can tracks the detailed information of Customer, Order, Order Update, , Bills
Second Level DFD Online Book Store
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