django-models Archives - Page 4 of 4

What’s the difference between django OneToOneField and ForeignKey?

What’s the difference between Django OneToOneField and ForeignKey? 1Best Answer 11 Differences between OneToOneField(SomeModel) and ForeignKey(SomeModel, unique=True) as stated in The Definitive Guide ...

May 2, 2022
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How to filter empty or NULL names in a QuerySet?

I have first_name, last_name & alias (optional) which I need to search for. So, I need a query to give me all the ...

May 1, 2022
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What does on_delete do on Django models?

I’m quite familiar with Django, but I recently noticed there exists an on_delete=models.CASCADE option with the models. I have searched for the documentation ...

April 29, 2022
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What is a “slug” in Django?

When I read Django code I often see in models what is called a “slug”. I am not quite sure what this is, ...

April 26, 2022
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How can I temporarily disable a foreign key constraint in MySQL?

Is it possible to temporarily disable constraints in MySQL? I have two Django models, each with a foreign key to the other one. ...

April 23, 2022
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How do I do a not equal in Django queryset filtering?

In Django model QuerySets, I see that there is a __gt and __lt for comparative values, but is there a __ne or != ...

April 20, 2022
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What is the difference between null=True and blank=True in Django?

Want to improve this post? Provide detailed answers to this question, including citations and an explanation of why your answer is correct. without ...

April 14, 2022
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