Restaurent Portal System Dataflow Diagram

Posted By namita on July 10, 2017

Restaurent Portal System Data flow diagram is often used as a preliminary step to create an overview of the Restaurent without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Restaurent process. It contains all of the userflow and their entities such all the flow of Restaurent, Employees, Items, Sells, Payments, Orders, Item Category. All of the below diagrams has been used for the visualization of data processing and structured design of the Restaurent process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Restaurent Portal System :

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

High Level Entities and proccess flow of Restaurent Portal System:

  • Managing all the Restaurent
  • Managing all the Employees
  • Managing all the Items
  • Managing all the Sells
  • Managing all the Payments
  • Managing all the Orders
  • Managing all the Item Category
Zero Level Data flow Diagram(0 Level DFD) of Restaurent Portal System

First Level Data flow Diagram(1st Level DFD) of Restaurent Portal System :

First Level DFD (1st Level) of Restaurent Portal 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 Restaurent Portal System system as a whole. It also identifies internal data stores of Item Category, Orders, Payments, Sells, Items that must be present in order for the Restaurent system to do its job, and shows the flow of data between the various parts of Restaurent, Items, Orders, Item Category, Payments 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 Restaurent.

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

  • Processing Restaurent records and generate report of all Restaurent
  • Processing Employees records and generate report of all Employees
  • Processing Items records and generate report of all Items
  • Processing Sells records and generate report of all Sells
  • Processing Payments records and generate report of all Payments
  • Processing Orders records and generate report of all Orders
  • Processing Item Category records and generate report of all Item Category
First Level Data flow Diagram(1st Level DFD) of Restaurent Portal System

Second Level Data flow Diagram(2nd Level DFD) of Restaurent Portal System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Restaurent. It may require more functionalities of Restaurent to reach the necessary level of detail about the Restaurent functioning. First Level DFD (1st Level) of Restaurent Portal System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Item Category, Orders, Payments, Sells, Items, Employees, Restaurent.

Low level functionalities of Restaurent Portal System

  • Admin logins to the system and manage all the functionalities of Restaurent Portal System
  • Admin can add, edit, delete and view the records of Restaurent, Items, Payments, Item Category
  • Admin can manage all the details of Employees, Sells, Orders
  • Admin can also generate reports of Restaurent, Employees, Items, Sells, Payments, Orders
  • Admin can search the details of Employees, Payments, Orders
  • Admin can apply different level of filters on report of Restaurent, Sells, Payments
  • Admin can tracks the detailed information of Employees, Items, Sells, , Payments
Second Level Data flow Diagram(2nd Level DFD) of Restaurent Portal System
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