- Posted By: freeproject
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Posted By freeproject on April 21, 2017
Order Management System Data flow diagram is often used as a preliminary step to create an overview of the Order Management without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Order Management process. It contains all of the userflow and their entities such all the flow of Order, Product, Company, Customer, Confirm Order, Invoice, Payment. All of the below diagrams has been used for the visualization of data processing and structured design of the Order Management process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Order Management System :
This is the Zero Level DFD of Order Management System, where we have eloborated the high level process of Order Management. It’s a basic overview of the whole Order Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Confirm Order,Invoice and Payment showing the system as a single high-level process, with its relationship to external entities of Order,Product and Company. It should be easily understood by a wide audience, including Order,Company and Confirm Order In zero leve DFD of Order Management System, we have described the high level flow of the Order Management system.High Level Entities and proccess flow of Order Management System:
- Managing all the Order
- Managing all the Product
- Managing all the Company
- Managing all the Customer
- Managing all the Confirm Order
- Managing all the Invoice
- Managing all the Payment
First Level Data flow Diagram(1st Level DFD) of Order Management System :
First Level DFD (1st Level) of Order 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 Order Management System system as a whole. It also identifies internal data stores of Payment, Invoice, Confirm Order, Customer, Company that must be present in order for the Order Management system to do its job, and shows the flow of data between the various parts of Order, Company, Invoice, Payment, Confirm Order 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 Order Management.Main entities and output of First Level DFD (1st Level DFD):
- Processing Order records and generate report of all Order
- Processing Product records and generate report of all Product
- Processing Company records and generate report of all Company
- Processing Customer records and generate report of all Customer
- Processing Confirm Order records and generate report of all Confirm Order
- Processing Invoice records and generate report of all Invoice
- Processing Payment records and generate report of all Payment
Second Level Data flow Diagram(2nd Level DFD) of Order Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Order Management. It may require more functionalities of Order Management to reach the necessary level of detail about the Order Management functioning. First Level DFD (1st Level) of Order Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Payment, Invoice, Confirm Order, Customer, Company, Product, Order.Low level functionalities of Order Management System
- Admin logins to the system and manage all the functionalities of Order Management System
- Admin can add, edit, delete and view the records of Order, Company, Confirm Order, Payment
- Admin can manage all the details of Product, Customer, Invoice
- Admin can also generate reports of Order, Product, Company, Customer, Confirm Order, Invoice
- Admin can search the details of Product, Confirm Order, Invoice
- Admin can apply different level of filters on report of Order, Customer, Confirm Order
- Admin can tracks the detailed information of Product, Company, Customer, , Confirm Order
