- Posted By: freeproject
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Posted By freeproject on April 18, 2017
Online Pizza Ordering System Data flow diagram is often used as a preliminary step to create an overview of the Online Pizza Ordering without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Online Pizza Ordering process. It contains all of the userflow and their entities such all the flow of Pizza, Pizza Coupan, Order, Pizza Cart, Cash, Delivery Address, Customer. All of the below diagrams has been used for the visualization of data processing and structured design of the Online Pizza Ordering process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Online Pizza Ordering System :
This is the Zero Level DFD of Online Pizza Ordering System, where we have eloborated the high level process of Online Pizza Ordering. It’s a basic overview of the whole Online Pizza Ordering System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Cash,Delivery Address and Customer showing the system as a single high-level process, with its relationship to external entities of Pizza,Pizza Coupan and Order. It should be easily understood by a wide audience, including Pizza,Order and Cash In zero leve DFD of Online Pizza Ordering System, we have described the high level flow of the Online Pizza Ordering system.High Level Entities and proccess flow of Online Pizza Ordering System:
- Managing all the Pizza
- Managing all the Pizza Coupan
- Managing all the Order
- Managing all the Pizza Cart
- Managing all the Cash
- Managing all the Delivery Address
- Managing all the Customer
First Level Data flow Diagram(1st Level DFD) of Online Pizza Ordering System :
First Level DFD (1st Level) of Online Pizza Ordering 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 Pizza Ordering System system as a whole. It also identifies internal data stores of Customer, Delivery Address, Cash, Pizza Cart, Order that must be present in order for the Online Pizza Ordering system to do its job, and shows the flow of data between the various parts of Pizza, Order, Delivery Address, Customer, Cash 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 Online Pizza Ordering.Main entities and output of First Level DFD (1st Level DFD):
- Processing Pizza records and generate report of all Pizza
- Processing Pizza Coupan records and generate report of all Pizza Coupan
- Processing Order records and generate report of all Order
- Processing Pizza Cart records and generate report of all Pizza Cart
- Processing Cash records and generate report of all Cash
- Processing Delivery Address records and generate report of all Delivery Address
- Processing Customer records and generate report of all Customer
Second Level Data flow Diagram(2nd Level DFD) of Online Pizza Ordering System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Online Pizza Ordering. It may require more functionalities of Online Pizza Ordering to reach the necessary level of detail about the Online Pizza Ordering functioning. First Level DFD (1st Level) of Online Pizza Ordering System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Customer, Delivery Address, Cash, Pizza Cart, Order, Pizza Coupan, Pizza.Low level functionalities of Online Pizza Ordering System
- Admin logins to the system and manage all the functionalities of Online Pizza Ordering System
- Admin can add, edit, delete and view the records of Pizza, Order, Cash, Customer
- Admin can manage all the details of Pizza Coupan, Pizza Cart, Delivery Address
- Admin can also generate reports of Pizza, Pizza Coupan, Order, Pizza Cart, Cash, Delivery Address
- Admin can search the details of Pizza Coupan, Cash, Delivery Address
- Admin can apply different level of filters on report of Pizza, Pizza Cart, Cash
- Admin can tracks the detailed information of Pizza Coupan, Order, Pizza Cart, , Cash
