Python Manual

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 am working on an application where my database objects often have multiple parents and multiple c… Read more How Can I Write A Sqlalchemy Query That Will Return All Descendants Of A Node In A Graph?

I have this model in Django, where a person has the same information from the user provided by Djan… Read more How To Execute Cascade On Delete?

Here is the case. I want to swap value of user. user_with_apple = User.objects.filter(fruit=apple) … Read more Django Orm Query: How To Swap Value Of A Attribute?

Python supports chained comparisons: 1 Solution 1: SQLAlchemy won't support Python's chain… Read more Chained Comparisons In Sqlalchemy

I'm working on a Python project using SQLAlchemy. I have following class (I have omitted some m… Read more Sqlalchemy: Initializing Attribute Based On Other Attribute

i want to add some records to another table model without duplicated it i create a function to chec… Read more How To Prevent Duplicated Records And Only Update It?

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