Models can associate in three main ways: one to many, one to one, and many to many.
I am reviewing my knowledge in object-oriented programming. Under the relationship between classes topic, I have encountered some relationships which …
oop uml aggregation composition model-associationsI want to be able to use two columns on one table to define a relationship. So using a task …
ruby-on-rails ruby-on-rails-4 associations model-associationsIntroduction I'm facing an application design problem with the Ext.data.Model class in ExtJS. I will try to develop …
extjs data-modeling store model-associationsI have been (hours) trouble with associations in Rails. I found a lot of similar problems, but I couldn't apply …
ruby-on-rails validation associations model-associations belongs-toI'm having a hard time figuring out how to association one of my models with multiple of another. As it …
ruby-on-rails ruby-on-rails-3 associations model-associationsI have two tables that I want to INNER JOIN, I spent hours but I had no luck. I will …
cakephp join model associations model-associationsHow do rails association methods work? Lets consider this example class User < ActiveRecord::Base has_many :articles end class …
ruby-on-rails activerecord model-associationsI have an model PointOfContact which has_many Systems. From the Systems side I want to identify the PointOfContact as …
ruby-on-rails-3 associations model-associationsI have two tables: currencies and rates currencies: id:int, code:string, name: string rates: id:int, top_currency_id:…
ruby-on-rails ruby-on-rails-3 model-associationsI started learning this stuff from the Flask Mega Tutorial. When he gets into Many-to-Many relationships, he creates an association …
flask sqlalchemy many-to-many flask-sqlalchemy model-associations