Database Models
This section describes the database structure and data models used in the OC Lettings application.
Database Overview
The application uses SQLite as its database engine for both development and production environments.
The data model is organized into three main models across two Django apps:
lettings app:
AddressandLettingmodelsprofiles app:
ProfilemodelBuilt-in Django
Usermodel (django.contrib.auth)
Entity-Relationship Diagram
The following diagram illustrates the relationships between models:
Note
The Django table is intentionally represented in a simplistic way with few attributes.
Model Descriptions
Address Model
App: lettings
Purpose: Stores structured physical address information for rental properties.
Fields: See detailed field documentation in Code Reference.
Letting Model
App: lettings
Purpose: Represents a property available for rent, linked to a unique address.
Fields: See detailed field documentation in Code Reference.
Profile Model
App: profiles
Purpose: Extends Django’s built-in User model with additional user information.
Fields: See detailed field documentation in Code Reference.
More details
For detailed API documentation of these models, see the Code Reference section.