Django Django Models & ORM

Question 1

Which Django ORM method retrieves a single object and raises an exception if not found?

Accepted Answer

get()

Answer

filter()

Answer

first()

Answer

fetch()

Question 2

What does the `on_delete=models.CASCADE` argument do in a ForeignKey field?

Accepted Answer

Deletes related objects when the referenced object is deleted

Answer

Prevents deletion of the referenced object

Answer

Sets the field to NULL on deletion

Answer

Raises an error on deletion

Question 3

Which field type would you use to store a many-to-many relationship in a Django model?

Accepted Answer

ManyToManyField

Answer

ForeignKey

Answer

OneToOneField

Answer

RelatedField

Question 4

What is the purpose of Django's `Meta` class inside a model?

Accepted Answer

To define model-level options like ordering and table name

Answer

To store model instance data

Answer

To define model methods only

Answer

To register the model with the admin

Question 5

Which ORM method returns a QuerySet of all objects matching a condition without raising exceptions?

Accepted Answer

filter()

Answer

get()

Answer

fetch()

Answer

search()

Question 6

What does the `__str__` method on a Django model do?

Accepted Answer

Returns a human-readable string representation of the model instance

Answer

Converts the model to JSON

Answer

Saves the model to the database

Answer

Validates model fields