ER diagram for a blood donation system

About this ER diagram for a blood donation system

The blood donation system ER diagram improves how blood banks operate and stay organized. It aims to improve how blood donations, requests, and inventories are handled efficiently.

The entity relationship diagram shows a clear structure for managing data and processes. The core of the system is the blood bank entity. It holds key details such as bank_id, name, address, and contact info like email and city. This entity is the main reference point. It helps find and identify each blood bank facility accurately.

The donor entity collects personal details from blood donors. This includes donor_id, name, age, blood group, and RH factor. It logs donation history. This includes the last donation date and eligibility status. It helps ensure donors meet health requirements and medical standards.

The blood request entity handles demands coming from hospitals or recipients. It keeps track of request_id, the needed blood type, volume, and urgency level. This entity is linked to the blood type entity. It tracks all major blood groups and their compatibility. This helps ensure correct matches during transfusions.

Recipients are managed through the recipient entity. It holds details like recipient_id, age, hospital address, and appointment schedules. The staff entity oversees all operations. It includes details like staff_id, name, role, shift info, and experience level. This helps with workforce planning and accountability.

The donation entity tracks each donation event. It logs the donation ID, date, volume, and connects it to both the donor and blood bank entities. This allows for streamlined inventory tracking and efficient stock management. The system checks blood requests. This helps ensure quick action in emergencies.

These components make the blood donation system better. They help recruit donors, collect blood, and manage supplies more effectively. The ER diagram's scalable structure supports local and nationwide blood bank networks.