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