- Posted By: namita
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Posted By namita on July 8, 2017
Railway Enquiry System Data flow diagram is often used as a preliminary step to create an overview of the Railway without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Railway process. It contains all of the userflow and their entities such all the flow of Trains, Timetable, Fare, Stations, Seats Availability, Routes, Train Schedule. All of the below diagrams has been used for the visualization of data processing and structured design of the Railway process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Railway Enquiry System :
This is the Zero Level DFD of Railway Enquiry System, where we have eloborated the high level process of Railway. It’s a basic overview of the whole Railway Enquiry System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Seats Availability,Routes and Train Schedule showing the system as a single high-level process, with its relationship to external entities of Trains,Timetable and Fare. It should be easily understood by a wide audience, including Trains,Fare and Seats Availability In zero leve DFD of Railway Enquiry System, we have described the high level flow of the Railway system.High Level Entities and proccess flow of Railway Enquiry System:
- Managing all the Trains
- Managing all the Timetable
- Managing all the Fare
- Managing all the Stations
- Managing all the Seats Availability
- Managing all the Routes
- Managing all the Train Schedule
First Level Data flow Diagram(1st Level DFD) of Railway Enquiry System :
First Level DFD (1st Level) of Railway Enquiry 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 Railway Enquiry System system as a whole. It also identifies internal data stores of Train Schedule, Routes, Seats Availability, Stations, Fare that must be present in order for the Railway system to do its job, and shows the flow of data between the various parts of Trains, Fare, Routes, Train Schedule, Seats Availability 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 Railway.Main entities and output of First Level DFD (1st Level DFD):
- Processing Trains records and generate report of all Trains
- Processing Timetable records and generate report of all Timetable
- Processing Fare records and generate report of all Fare
- Processing Stations records and generate report of all Stations
- Processing Seats Availability records and generate report of all Seats Availability
- Processing Routes records and generate report of all Routes
- Processing Train Schedule records and generate report of all Train Schedule
Second Level Data flow Diagram(2nd Level DFD) of Railway Enquiry System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Railway. It may require more functionalities of Railway to reach the necessary level of detail about the Railway functioning. First Level DFD (1st Level) of Railway Enquiry System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Train Schedule, Routes, Seats Availability, Stations, Fare, Timetable, Trains.Low level functionalities of Railway Enquiry System
- Admin logins to the system and manage all the functionalities of Railway Enquiry System
- Admin can add, edit, delete and view the records of Trains, Fare, Seats Availability, Train Schedule
- Admin can manage all the details of Timetable, Stations, Routes
- Admin can also generate reports of Trains, Timetable, Fare, Stations, Seats Availability, Routes
- Admin can search the details of Timetable, Seats Availability, Routes
- Admin can apply different level of filters on report of Trains, Stations, Seats Availability
- Admin can tracks the detailed information of Timetable, Fare, Stations, , Seats Availability
