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I want to write a Django query to give me the average across all rows in my table. My model looks l… Read more How To Aggregate The Average Of A Calculation Based On Two Columns?

I have python module for doing some stuff and i need to save few items in database. Currenlt i am u… Read more What Minimal Files I Need To Use Django Orm

This is the relevant code: class Book(models.Model): name = models.CharField(max_length=50) c… Read more Django Orm - Left Outer Join With Two Columns?

I want to create model instance like this: new_tweet = Tweet.objects.create(text = tweet_object.tex… Read more When Creating A Model Instance How To Fill Manytomany Field?

I have a model which consists of id, name and birth year.I want to query this model to get the nam… Read more How To Calculate If Age Is In Range From The Birth Year ,while Fetching The Birth Year From Db In Django Orm

qs = ... qs = qs.annotate(v=Count('a', filter=Q(a__lt=5))) a = qs.first().v b = qs.filter(… Read more Django Orm: How Count In Annotation Differ From Count On Query Set?

The ORM in Django lets us easily annotate (add fields to) querysets based on related data, hwoever … Read more Pivoting Data And Complex Annotations In Django Orm

I have two databases and two models:one the admin and the is user. I want to sync my models to the … Read more Django - Multiple Db + Multiple Models