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Give the exception classes present in Django.

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Django uses its own exceptions as well as those present in Python. Django core exceptions are present in django.core.exceptions class some of which are mentioned in the table below:

Exception Description

AppRegistryNotReady

Raised when you try to use your models before the app loading process (initializes the ORM) is completed.

ObjectDoesNotExist

This is the base class for DoesNotExist exceptions

EmptyResultSet

This exception may be raised if a query won’t return any result

FieldDoesNotExist

This exception is raised by a model’s _meta.get_field() function in case the requested field does not exist

MultipleObjectsReturned

This is raised by a query if multiple objects are returned and only one object was expected

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