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https://docs.djangoproject.com/en/5.0/ref/models/querysets/
You can then recreate the original QuerySet (without any results loaded) using some code like this:
>>> import pickle
>>> query = pickle
https://docs.djangoproject.com/en/5.0/ref/models/constraints/
violation_error_code¶
The error code used when ValidationError is raised during model validation
https://docs.djangoproject.com/en/5.0/intro/tutorial02/
We’ll set up the database, create your first model, and get a quick introduction to Django’s automatically-generated admin site
https://docs.djangoproject.com/en/stable/
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https://docs.djangoproject.com/en/5.0/topics/db/queries/
In SQL terms, a QuerySet equates to a SELECT statement, and a filter is a limiting clause such as WHERE or LIMIT
https://docs.djangoproject.com/en/5.0/ref/models/options/
It is useful for documenting database tables for individuals with direct database access who may not be looking at your Django code