Entities and Attributes of Human Resource Management

Human Resource Management System Features

Relationship Between These Entities

1. Employee: Represents individuals working within the organization.

EmployeeID (Primary Key): It is a Unique identifier for each employee.
Name: Full name of the employee.
DepartmentID (Foreign Key): References the department to which the employee belongs.
Position: Job position/title held by the employee.
Hire Date: This is a date when the employee was hired.

2. Department: Represents organizational departments.

DepartmentID (Primary Key): It is a Unique identifier for each department.
Name: Name of the department.
ManagerID (Foreign Key): References the employee who serves as the manager of the department.

3. Attendance: Tracks employee attendance records.

AttendanceID (Primary Key): Unique identifier for each attendance record.
EmployeeID (Foreign Key): References the employee associated with the attendance record.
Date: Date of the attendance record.
Time In: Time when the employee clocked in.
Time Out: Time when the employee clocked out.

4. Leave: Manages employee leave requests.

LeaveID (Primary Key): Unique identifier for each leave request.
EmployeeID (Foreign Key): References the employee requesting the leave.
StartDate: Start date of the leave request.
EndDate: End date of the leave request.

5. Payroll: Handles employee salary and payment information.

PayrollID (Primary Key): Unique identifier for each payroll record.
Salary: Amount of salary earned by the employee.
NetPay: Net amount received by the employee after deductions and bonuses.

6. Training: Manages employee training sessions.

TrainingID (Primary Key): Unique identifier for each training session.
Title: Title or name of the training session.
Date: Date of the training session.

How to Design ER Diagrams for Human Resource Management (HRM) Systems

Designing an effective Human Resource Management (HRM) System is important for organizations to efficiently manage their workforce. One key aspect of designing an HRM system is creating an Entity-Relationship (ER) diagram, which visually represents the database schema.

This diagram helps in organizing and understanding the relationships between various entities such as employees, departments, attendance, payroll, and training. In this article, we’ll explore how to design ER diagrams for HRM systems with the help of key entities, attributes, and their relationships between them.