Sales And Inventory Management System Dataflow Diagram

Posted By namita on July 10, 2017

Sales And Inventory Management System Data flow diagram is often used as a preliminary step to create an overview of the Sales And Inventory without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Sales And Inventory process. It contains all of the userflow and their entities such all the flow of Inventory, Purchasing, Sales, Payment, Supplier, Customer, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Sales And Inventory process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Sales And Inventory Management System :

This is the Zero Level DFD of Sales And Inventory Management System, where we have eloborated the high level process of Sales And Inventory. It’s a basic overview of the whole Sales And Inventory Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Supplier,Customer and Login showing the system as a single high-level process, with its relationship to external entities of Inventory,Purchasing and Sales. It should be easily understood by a wide audience, including Inventory,Sales and Supplier In zero leve DFD of Sales And Inventory Management System, we have described the high level flow of the Sales And Inventory system.

High Level Entities and proccess flow of Sales And Inventory Management System:

  • Managing all the Inventory
  • Managing all the Purchasing
  • Managing all the Sales
  • Managing all the Payment
  • Managing all the Supplier
  • Managing all the Customer
  • Managing all the Login
Zero Level Data flow Diagram(0 Level DFD) of Sales And Inventory Management System

First Level Data flow Diagram(1st Level DFD) of Sales And Inventory Management System :

First Level DFD (1st Level) of Sales And Inventory Management 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 Sales And Inventory Management System system as a whole. It also identifies internal data stores of Login, Customer, Supplier, Payment, Sales that must be present in order for the Sales And Inventory system to do its job, and shows the flow of data between the various parts of Inventory, Sales, Customer, Login, Supplier 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 Sales And Inventory.

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

  • Processing Inventory records and generate report of all Inventory
  • Processing Purchasing records and generate report of all Purchasing
  • Processing Sales records and generate report of all Sales
  • Processing Payment records and generate report of all Payment
  • Processing Supplier records and generate report of all Supplier
  • Processing Customer records and generate report of all Customer
  • Processing Login records and generate report of all Login
First Level Data flow Diagram(1st Level DFD) of Sales And Inventory Management System

Second Level Data flow Diagram(2nd Level DFD) of Sales And Inventory Management System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Sales And Inventory. It may require more functionalities of Sales And Inventory to reach the necessary level of detail about the Sales And Inventory functioning. First Level DFD (1st Level) of Sales And Inventory Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Customer, Supplier, Payment, Sales, Purchasing, Inventory.

Low level functionalities of Sales And Inventory Management System

  • Admin logins to the system and manage all the functionalities of Sales And Inventory Management System
  • Admin can add, edit, delete and view the records of Inventory, Sales, Supplier, Login
  • Admin can manage all the details of Purchasing, Payment, Customer
  • Admin can also generate reports of Inventory, Purchasing, Sales, Payment, Supplier, Customer
  • Admin can search the details of Purchasing, Supplier, Customer
  • Admin can apply different level of filters on report of Inventory, Payment, Supplier
  • Admin can tracks the detailed information of Purchasing, Sales, Payment, , Supplier
Second Level Data flow Diagram(2nd Level DFD) of Sales And Inventory Management System
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