Top "Many-to-many" questions

A type of relationship between entities of types A and B which associates a list of entities of type B to an entity of type A and vice versa.

Hibernate many-to-many cascading delete

I have 3 tables in my database: Students, Courses and Students_Courses Students can have multiple courses and courses can have …

java sql hibernate annotations many-to-many
UML class model how to model many to many relationship

I have read several tutorials on what a UML model should contain and what not. As a developer I always …

uml many-to-many analysis
Query a many-to-many relationship with linq/Entity Framework. CodeFirst

How can I query a many-to-many relationship using Entity Framework code first and linq? The problem is that EF create …

c# linq entity-framework many-to-many
listing objects from ManyToManyField

I am trying to print a list of all the Conferences and for each conference, print its 3 Speakers. In my …

django django-templates many-to-many
Django's ManyToMany Relationship with Additional Fields

I want to store some additional information in that, automatically created, ManyToMany join-table. How would I do that in Django? …

database django model many-to-many
how to query many-to-many?

I found the following table structures while I was watching ruby on rails tutorial. table actors id int 11 primary key …

mysql many-to-many
Mapping many to many relationship in entity framework code first

I'm try make a test in EF, creating a many to many relationship, because I always mapping One to One …

c# entity-framework ef-code-first many-to-many
MySQL - How to insert into table that has many-to-many relationship

I have a table of persons. Each person has a property and many persons may have a certain property. So …

mysql many-to-many relationship sql-insert
How to use Rails 4 strong parameters with has_many :through association?

I'm having trouble getting a has_many :through association working with Rails 4's strong parameters. I have a model called …

activerecord many-to-many ruby-on-rails-4 strong-parameters
How do I access the properties of a many-to-many "through" table from a django template?

From the Django documentation... When you're only dealing with simple many-to-many relationships such as mixing and matching pizzas and toppings, …

python django django-templates many-to-many relationship