A company human resource entity-relationship (ER) diagram represents the model of a human resource management system entity. Use EdrawMax to create the company human resource ER diagram for your organization. The entity-relationship (ER) diagram of the HR management system shows all the optical instruments of database tables and the relations between departments, employees, salary slips, etc. A company HR entity-relationship diagram used structure data to define the relationships between structured data groups of HRMS. The below diagram has several entities like employee entity, training entity, appraisals entity, departments entity, salary entity, and salary slip entity. It has the attributes like employee_id, employee_name, employee_mobile, employee_email, employee_username, employee_password, department_id, department_name, salary_employee_id, salary_amount, salary_slip_employee_id, salary_slip_name, and others.