Question2: DFD Modeling CSis a railway company's Customer Service System. The system Data Flow Diagram contains four processes, two external entities and four data stores -A Passengercan receive transport details from the Inquiry Transport Details process. The details include the Route information, the Train times and the delays. These details are provided by the two data stores Transport Details and Railway Live Statistic. -CS Assistant can initiate the Buy Souvenir process, which will result in having the Order detalils stored in the Order data store. - CS Assistant can also initiate the Buy Ticket process by providing Order details and the details will be stored again in the Order data store - Finally, CS Assistant can initiate the Report Lost process by providing the Incident and item details and the information will be stored in the Lost ltem database Draw the DFD based on the above given. Show the processes, actors, data stores, and data flows. Question2: DFD ModelingCS is a railway company's Customer Service System. Thesystem Data Flow Diagram contains four processes, twoexternal entities and four data stores.- APassenger canthe Inquiry Transport Details process. The detailsinclude the Route information, the Train times and thereceive transport details fromdelays. These details are provided by the two datastores Transport Details and Railway Live Statistic.- CS Assistant can initiate the Buy Souvenir process,which will result in having the Order details stored inthe Order data store.- CS Assistant can also initiate the Buy Ticket process byproviding Order details and the details will be storedagain in the Order data store.-Finally, CSLost process by providing the Incident and itemdetails and the information will be stored in the LostAssistant caninitiatethe ReportItem database.Draw the DFD based on the above given. Show the processes,actors, data stores, and data flows.

Answered: Question2: DFD Modeling CSis a railway…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question2: DFD Modeling CSis a railway company's Customer Service System. The system Data Flow Diagram contains four processes, two external entities and four data stores -A Passengercan receive transport details from the Inquiry Transport Details process. The details include the Route information, the Train times and the delays. These details are provided by the two data stores Transport Details and Railway Live Statistic. -CS Assistant can initiate the Buy Souvenir process, which will result in having the Order detalils stored in the Order data store. - CS Assistant can also initiate the Buy Ticket process by providing Order details and the details will be stored again in the Order data store - Finally, CS Assistant can initiate the Report Lost process by providing the Incident and item details and the information will be stored in the Lost ltem database Draw the DFD based on the above given. Show the processes, actors, data stores, and data flows.

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