- Posted By: freeproject
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Posted By freeproject on April 24, 2017
Online Shopping System Data flow diagram is often used as a preliminary step to create an overview of the Shopping System without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Shopping System process. It contains all of the userflow and their entities such all the flow of Shopping, Shopping Cart, Order, Payment, Product, Delivery, Confirm Order. All of the below diagrams has been used for the visualization of data processing and structured design of the Shopping System process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Online Shopping System :
This is the Zero Level DFD of Online Shopping System, where we have eloborated the high level process of Shopping System. It’s a basic overview of the whole Online Shopping System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Product,Delivery and Confirm Order showing the system as a single high-level process, with its relationship to external entities of Shopping,Shopping Cart and Order. It should be easily understood by a wide audience, including Shopping,Order and Product In zero leve DFD of Online Shopping System, we have described the high level flow of the Shopping System system.High Level Entities and proccess flow of Online Shopping System:
- Managing all the Shopping
- Managing all the Shopping Cart
- Managing all the Order
- Managing all the Payment
- Managing all the Product
- Managing all the Delivery
- Managing all the Confirm Order
First Level Data flow Diagram(1st Level DFD) of Online Shopping System :
First Level DFD (1st Level) of Online Shopping System 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 Shopping System system as a whole. It also identifies internal data stores of Confirm Order, Delivery, Product, Payment, Order that must be present in order for the Shopping System system to do its job, and shows the flow of data between the various parts of Shopping, Order, Delivery, Confirm Order, Product 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 Shopping System.Main entities and output of First Level DFD (1st Level DFD):
- Processing Shopping records and generate report of all Shopping
- Processing Shopping Cart records and generate report of all Shopping Cart
- Processing Order records and generate report of all Order
- Processing Payment records and generate report of all Payment
- Processing Product records and generate report of all Product
- Processing Delivery records and generate report of all Delivery
- Processing Confirm Order records and generate report of all Confirm Order
Second Level Data flow Diagram(2nd Level DFD) of Online Shopping System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Shopping System. It may require more functionalities of Shopping System to reach the necessary level of detail about the Shopping System functioning. First Level DFD (1st Level) of Online Shopping System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Confirm Order, Delivery, Product, Payment, Order, Shopping Cart, Shopping.Low level functionalities of Online Shopping System
- Admin logins to the system and manage all the functionalities of Online Shopping System
- Admin can add, edit, delete and view the records of Shopping, Order, Product, Confirm Order
- Admin can manage all the details of Shopping Cart, Payment, Delivery
- Admin can also generate reports of Shopping, Shopping Cart, Order, Payment, Product, Delivery
- Admin can search the details of Shopping Cart, Product, Delivery
- Admin can apply different level of filters on report of Shopping, Payment, Product
- Admin can tracks the detailed information of Shopping Cart, Order, Payment, , Product
