Model examples

These examples are from Django version 0.95. For current documentation, go here.

This is a set of example models.

1. Bare-bones model
2. Adding __str__() to models
3. Giving models custom methods
4. Many-to-one relationships
5. Many-to-many relationships
6. Specifying ordering
7. The lookup API
8. get_latest_by
9. Many-to-many relationships via an intermediary table
10. One-to-one relationships
11. Relating an object to itself, many-to-one
12. Relating a model to another model more than once
13. Adding hooks before/after saving and deleting
14. Using a custom primary key
15. Transactions
16. Many-to-one relationships that can be null
17. Custom column names
18. Using SQL reserved names
19. OR lookups
20. Multiple many-to-many relationships between the same two tables
21. Specifying 'choices' for a field
22. Using properties on models
23. Giving models a custom manager
24. Mutually referential many-to-one relationships
25. Reverse lookups
26. Invalid models
27. Default manipulators
28. Many-to-many relationships between the same two tables
29. Many-to-many and many-to-one relationships to the same table
30. Object pagination
31. Validation
32. Callable defaults
33. get_or_create()
34. Generic relations