This ER (Entity Relationship) Diagram represents the model of Payroll Management System Entity. The entity-relationship diagram of Payroll Management System shows all the visual instrument of database tables and the relations between Salary, Appraisals, Payroll, Payments etc. It used structure data and to define the relationships between structured data groups of Payroll Management System functionalities. The main entities of the Payroll Management System are Payroll, Salary, Employee, Appraisals, Woking Points and Payments.
Payroll Management System entities and their attributes :
- Payroll Entity : Attributes of Payroll are payroll_id, payroll_employee_id, payroll_title, payroll_type, payroll_description
- Salary Entity : Attributes of Salary are salary_id, salary_employee_id, salary_amount, salary_total, salary_type, salary_description
- Employee Entity : Attributes of Employee are employee_id, employee_name, employee_mobile, employee_email, employee_username, employee_password, employee_address
- Appraisals Entity : Attributes of Appraisals are apprasail_id, apprasail_employee_id, apprasail_name, apprasail_type, apprasail_description
- Woking Points Entity : Attributes of Woking Points are point_id, point_title, point_type, point_description
- Payments Entity : Attributes of Payments are payment_id, payment_customer_id, payment_date, payment_amount, payment_description
Description of Payroll Management System Database :
- The details of Payroll is store into the Payroll tables respective with all tables
- Each entity ( Payments, Employee, Woking Points, Salary, Payroll) contains primary key and unique keys.
- The entity Employee, Woking Points has binded with Payroll, Salary entities with foreign key
- There is one-to-one and one-to-many relationships available between Woking Points, Appraisals, Payments, Payroll
- All the entities Payroll, Woking Points, Employee, Payments are normalized and reduce duplicacy of records
- We have implemented indexing on each tables of Payroll Management System tables for fast query execution.