Answered: Based upon the data flow chart answer…

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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Question

Based upon the data flow chart answer the following question.

Which of the following would be considered adata sources?

A) inventory tracking

B)order processing

C) customer records

D) All the above

E) None of the above

Expert Solution

Step 1

Data sources are the Processes which include one or more request to get specific data as input by other processes or participants and produces one or more outputs

inventory tracking:-

In inventory tracking we request to get information about the status of specific item in the invitatory process. and it returns the status of that order or item

Order Processing:-

In order processing we request to get information about the status of out order details if the specific item is available or not and return a output about the specific item/order.

customer records:-

customer records are used for tracking all the details about the customer name, number, address , cart cost, items,...etc
based on needed one can request and get information from it

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