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Given the requirements that have been collected from the following end-users, draw a use-case diagram for them explaining all the necessary details. In this system, the subscriber enters his subscription data in order to log in to the website activities. If this data is correct, notifications, Messages, and Friend requests will be downloaded separately and simultaneously. It then displays friends' notifications, subscriptions, and updates on the subscriber's wall. A subscriber can comment, like, or post a specific piece of news. In the comment industry, the subscriber can upload an image or link to a website in addition to the ability to add his personal comment on it. The process of publishing a specific news has the same characteristics as placing a comment on a news in terms of possible events with the ability to upload a video clip. After that, the chat messaging wall is prepared, then it is necessary to ask the subscriber whether he wants to appear publicly or secretly to the messaging wall. The subscriber chooses his status in the messaging wall, and then the system activates his choice on the wall, and then loads the people who are publicly present and the last callers. All this is done in the event that his primary data entry for registration is correct, on the contrary, he is granted three entry attempts, if they are correct, the subscriber enters the regular activities, and if all of his three attempts are not authorized to enter, the account is locked and a warning message is sent to the user's relevant email simultaneously. . Then the account lock screen is displayed. *

Given the requirements that have been collected from the following end-users, draw a use-case diagram for them explaining all the necessary details. In this system, the subscriber enters his subscription data in order to log in to the website activities. If this data is correct, notifications, Messages, and Friend requests will be downloaded separately and simultaneously. It then displays friends' notifications, subscriptions, and updates on the subscriber's wall. A subscriber can comment, like, or post a specific piece of news. In the comment industry, the subscriber can upload an image or link to a website in addition to the ability to add his personal comment on it. The process of publishing a specific news has the same characteristics as placing a comment on a news in terms of possible events with the ability to upload a video clip. After that, the chat messaging wall is prepared, then it is necessary to ask the subscriber whether he wants to appear publicly or secretly to the messaging wall. The subscriber chooses his status in the messaging wall, and then the system activates his choice on the wall, and then loads the people who are publicly present and the last callers. All this is done in the event that his primary data entry for registration is correct, on the contrary, he is granted three entry attempts, if they are correct, the subscriber enters the regular activities, and if all of his three attempts are not authorized to enter, the account is locked and a warning message is sent to the user's relevant email simultaneously. . Then the account lock screen is displayed. *

Database System Concepts
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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Given the requirements that have been collected from the following end-users, draw a use-case diagram for them explaining all the necessary details. In this system, the subscriber enters his subscription data in order to log in to the website activities. If this data is correct, notifications, Messages, and Friend requests will be downloaded separately and simultaneously. It then displays friends' notifications, subscriptions, and updates on the subscriber's wall. A subscriber can comment, like, or post a specific piece of news. In the comment industry, the subscriber can upload an image or link to a website in addition to the ability to add his personal comment on it. The process of publishing a specific news has the same characteristics as placing a comment on a news in terms of possible events with the ability to upload a video clip. After that, the chat messaging wall is prepared, then it is necessary to ask the subscriber whether he wants to appear publicly or secretly to the messaging wall. The subscriber chooses his status in the messaging wall, and then the system activates his choice on the wall, and then loads the people who are publicly present and the last callers. All this is done in the event that his primary data entry for registration is correct, on the contrary, he is granted three entry attempts, if they are correct, the subscriber enters the regular activities, and if all of his three attempts are not authorized to enter, the account is locked and a warning message is sent to the user's relevant email simultaneously. . Then the account lock screen is displayed. *
Transcribed Image Text:Given the requirements that have been collected from the following end-users, draw a use-case diagram for them explaining all the necessary details. In this system, the subscriber enters his subscription data in order to log in to the website activities. If this data is correct, notifications, Messages, and Friend requests will be downloaded separately and simultaneously. It then displays friends' notifications, subscriptions, and updates on the subscriber's wall. A subscriber can comment, like, or post a specific piece of news. In the comment industry, the subscriber can upload an image or link to a website in addition to the ability to add his personal comment on it. The process of publishing a specific news has the same characteristics as placing a comment on a news in terms of possible events with the ability to upload a video clip. After that, the chat messaging wall is prepared, then it is necessary to ask the subscriber whether he wants to appear publicly or secretly to the messaging wall. The subscriber chooses his status in the messaging wall, and then the system activates his choice on the wall, and then loads the people who are publicly present and the last callers. All this is done in the event that his primary data entry for registration is correct, on the contrary, he is granted three entry attempts, if they are correct, the subscriber enters the regular activities, and if all of his three attempts are not authorized to enter, the account is locked and a warning message is sent to the user's relevant email simultaneously. . Then the account lock screen is displayed. *
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