The NOT operator in Django ORM is used to exclude records that meet certain conditions, enabling complex queries to filter data effectively.
To use NOT queries, import the Q object and apply the ~ operator to negate the desired condition, allowing for dynamic filtering.
An example is retrieving all books not marked as 'out of stock' by using the query: Book.objects.filter(~Q(is_out_of_stock=True)).
Combining the ~ operator with other conditions enhances the filtering capability, making the Django ORM powerful for the required data retrieval.
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