Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Create a database Entity and Relationship Diagram (ERD) for the following application (Submitted An image of the Diagram By using Any Application:

The Application idea: It is a mobile application called (Khair) to help people. This assistance is moral, material. This assistance is also provided by good people in our community.

Example to understand the Application idea more: For example, a person urgently needs a medical chair or bed and does not have the ability to purchase what he needs. The medical chair or bed is requested through the application, and whoever has what he requests initiates the request through the application’s messages and determines the meeting place.

Application models (page):

Login included:

login

registration

login included:

user name

password

New registration included:

name

E-mail

Password

phone number

date

National Identification Number

Home page included:

Request - applicant name - address - send message

Messages list form included:

list of users Messager

Personal information form:

It contains a list of the user's personal data that he entered during registration

Private message form:

When the message was opened

Note: Please include answer with detailed explanation

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