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I have two tables and want to join them.. but I can't do that without rawQueryset and raw SQL. … Read more Django - Join Two Table Without Foreign Key

I am about to update approx 2-3k of records for one of my django model. I know that using the updat… Read more F() Expressions In Django Keeps Giving Me 0

We are using sqlalchemy's autoload feature to do column mapping to prevent hardcoding in our co… Read more Sqlalchemy Autoloaded Orm Persistence

In my database, I have some columns where data is stored in some weird format. Since the database i… Read more Sqlalchemy: Convert Column Value Back And Forth Between Internal And Database Format

I'm having a problem with Django's generated SQL from the ORM. Cartons have a many to many … Read more Django Orm Not Generating Correct Sql For Many To Many Not In

I am writing a program using SQLAlchemy, python, and multithreading. In my design, Thread A uses a … Read more Why One Thread Can't Not Detect The Changed Value Updated By The Other Thread?

I was asking for a problem I had in SQLAlchemy and found the solution while writing. I post it anyw… Read more Sqlalchemy How To Filter By Children In Many To Many

sorry, but does this make sense? the ORM means: Object Relational Mapper, and here, there is Relati… Read more Why The Use Of An Orm With Nosql (like Mongodb)

I have this model: class Person(models.Model): something ... employers = models.ManyToManyF… Read more Django Related_name Not Found

I've enjoyed using Django quite a bit over the years. Right now I'm working for a company t… Read more Will Using The Django Orm In A Python Library Cause Trouble?

Department = models.department.Department association_table = Table('template_department',… Read more Sqlalchemy : Association Table For Many-to-many Relationship Between Template_id And Department. How Can I Delete A Relationship?

Let's say I have a ROOMS table with width and length columns, and a corresponding SQLAlchemy mo… Read more Sqlalchemy Orm: Sum Of Products

I have two tables and want to join them.. but I can't do that without rawQueryset and raw SQL. … Read more Django - Join Two Table Without Foreign Key

I'm using Django 1.11, Postgresql 9.2, python 3.4 I want to select data based on table's c… Read more Django ORM Conditional Filter LIKE CASE WHEN THEN