NAME: User: Description Precondition Sequence Normal Postcondition Exceptions VIEW PRODUCTS User, Vendor The system shall behave as described in the following use case when the User requests to view a product on the e- commerce page. • Enter the e-commerce page. Data of the products already registered in the system. Action Step 1 2 3 The web page displays the detailed information of the product, such as its name, description, price, image and technical specifications. The Product selected by the User is displayed on the screen. Step 3 User browses through the different categories or uses the search bar to find the product he/she wants to view. 4 The user clicks on the product he/she wants to view. Action If the device from which the page is accessed does not have WIFI or data connection, it reports an error, until the User connects them. If the web page is offline, the system displays an error, then this use case ends.

NAME: User: Description Precondition Sequence Normal Postcondition Exceptions VIEW PRODUCTS User, Vendor The system shall behave as described in the following use case when the User requests to view a product on the e- commerce page. • Enter the e-commerce page. Data of the products already registered in the system. Action Step 1 2 3 The web page displays the detailed information of the product, such as its name, description, price, image and technical specifications. The Product selected by the User is displayed on the screen. Step 3 User browses through the different categories or uses the search bar to find the product he/she wants to view. 4 The user clicks on the product he/she wants to view. Action If the device from which the page is accessed does not have WIFI or data connection, it reports an error, until the User connects them. If the web page is offline, the system displays an error, then this use case ends.

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

From the extended use case diagram, make the activity diagram of the same.

OK
seller
Customer
Start e-commerce portal
View Product
Scenario View Product
Enter username
and password
Show Product List
View Product
Details

NAME:
User:
Description
Precondition
Sequence
Normal
Postcondition
Exceptions
VIEW PRODUCTS
User, Vendor
The system shall behave as described in the following use
case when the User requests to view a product on the e-
commerce page.
• Enter the e-commerce page.
Data of the products already registered in the system.
Action
●
Step
1
2
3
The web page displays the detailed information of
the product, such as its name, description, price,
image and technical specifications.
The Product selected by the User is displayed on the
screen.
Step
3
User browses through the different categories or
uses the search bar to find the product he/she
wants to view.
The user clicks on the product he/she wants to
view.
4
Action
If the device from which the page is accessed does
not have WIFI or data connection, it reports an
error, until the User connects them.
If the web page is offline, the system displays an
error, then this use case ends.

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