Relationship Between These Entities
1. User – Accommodation Relationship (Many-to-Many):
- Users can book multiple hotels, indicating a user can make bookings for different accommodations.
- Every accommodation can be booked by multiple users, meaning a hotel can have bookings from different users.
2. User – Booking Relationship (Many-to-One):
- Many bookings can be associated with one user, showing that a user can make multiple bookings over time.
3. User – Activity Relationship (Many-to-Many):
- Users can book multiple activities, allowing a user to participate in various activities.
- Every activity can be booked by multiple users, indicating that an activity can have participants from different users.
4. Booking – Activity Relationship (Many-to-One):
- Many activities can be associated with one booking, meaning that a booking can include multiple activities.
5. Booking – Accommodation Relationship (Many-to-One):
- Many hotels can be associated with one booking, showing that a booking can include stays at multiple hotels.
6. Booking – Flight Relationship (Many-to-One):
- Many bookings can be associated with one flight, indicating that a booking can include a flight reservation.
How to Design ER Diagrams for Travel and Tourism Booking Systems
Designing an efficient and effective database is important for any Travel and Tourism Booking System. Entity–Relationship (ER) diagrams play a vital role in this process, helping to visualize the database structure and define the relationships between various entities. In this article, we will explore the key concepts and best practices for designing ER diagrams specifically for the needs of Travel and Tourism Booking Systems. By following these guidelines, we can create a well-organized and scalable database schema that meets the requirements of your booking system.
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