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kindly your support to Drwing The Entity Relationship Diagram of that has below information I need it to look like attacment Entities and Relationships: Entities:
kindly your support to Drwing The Entity Relationship Diagram of that has below information
I need it to look like attacment
Entities and Relationships:
Entities:
o Users UserID Name, Email, Phone, Password, Role, RegistrationDate
o Complaints ComplaintID UserID, DepartmentID, CategoryID, Description, Status, CreatedDate, UpdatedDate
o Departments DepartmentID DepartmentName
o Categories CategoryID CategoryName
o Messages MessageID ComplaintID, SenderID, RecipientID, MessageText, MessageType, SentDate
o StatusHistory StatusID ComplaintID, Status, ChangeDate, DepartmentID
Relationships:
Users M Complaints
Complaints M Departments
Complaints M Categories
Complaints M StatusHistory
Complaints M Messages
Users M Messages
Explanation:
Users: Represented by attributes such as UserID Primary Key Name, Email, Phone, Password hashed for security Role Customer Admin, Staff and RegistrationDate.
Complaints: Includes attributes like ComplaintID Primary Key UserID Foreign Key referring to Users DepartmentID Foreign Key referring to Departments CategoryID Foreign Key referring to Categories Description, Status, CreatedDate, and UpdatedDate.
Departments: Identified by DepartmentID Primary Key and DepartmentName.
Categories: Identified by CategoryID Primary Key and CategoryName.
Messages: Contains MessageID Primary Key ComplaintID Foreign Key referring to Complaints SenderID Foreign Key referring to Users RecipientID Foreign Key referring to Users MessageText, MessageType Email Comment and SentDate.
StatusHistory: Attributes include StatusID Primary Key ComplaintID Foreign Key referring to Complaints Status, ChangeDate, and DepartmentID Foreign Key referring to Departments
C
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