Create a entity relationship diagram in university at dormitory management system in Ethiopia.

Answer 1

Unfortunately, I cannot create an entity relationship diagram through text-based input. However, I can provide you with a general description of the entities and relationships that can be included in an entity relationship diagram for a university dormitory management system in Ethiopia.

Entities:
1. University: This entity represents the university and can have attributes like university_id, university_name, and university_address.
2. Dormitory: This entity represents the dormitory and can have attributes like dormitory_id, dormitory_name, and capacity.
3. Room: This entity represents individual rooms within a dormitory and can have attributes like room_id, room_number, room_capacity, and room_status.
4. Student: This entity represents the student and can have attributes like student_id, student_name, student_address, and student_contact.
5. Staff: This entity represents the staff members responsible for dormitory management and can have attributes like staff_id, staff_name, staff_position, and staff_contact.

Relationships:
1. University-Dormitory: A university can have multiple dormitories, but a dormitory can only be associated with one university. This relationship is represented by a one-to-many relationship from the university entity to the dormitory entity.
2. Dormitory-Room: A dormitory can have multiple rooms, but a room belongs to only one dormitory. This relationship is represented by a one-to-many relationship from the dormitory entity to the room entity.
3. Student-Room: A student can be assigned to one room, and a room can have multiple students. This relationship is represented by a one-to-many relationship from the student entity to the room entity.
4. Staff-Dormitory: A staff member can be assigned to one dormitory, and a dormitory can have multiple staff members. This relationship is represented by a one-to-many relationship from the staff entity to the dormitory entity.

These are just some basic entities and relationships that can be included in the entity relationship diagram for a university dormitory management system in Ethiopia. The actual structure and attributes may vary depending on the specific requirements of the system.