I have a problem with using EF 4.1 and many to many relationship. I decided to use database first approach (although I got the same problem with code first approach), and I created a model of the data
I have 2 tables with many to many cardinality between them. So by normalization I have created this :
My models look like this: class Article(models.Model): name = models.CharField(max_length=50) description = models.TextField()
I have two entities (tables): Department and Person. Both tables have a field CODE which is not unique.
I have three tables: categories, languages and categories_languages. Categories_languages is many to many table which links together categories and languages. I would like to update a foregin key valu
I\'m trying to write a rule for man开发者_运维知识库y_to_many association. Because of the association table some results are duplicated.
This question already has answers here: Closed 11 years ago. Possible Duplicate: Rails has_many :through Find by Extra Attributes in Join Model
I am autoloading an MSSQL db.There a开发者_JS百科re a few ManyToMany assoc tables.I\'m not sure how to map each side.Here\'s a typical example of how they look in the db:
I\'m having trouble getting the Fluent Nhibernate Automapper to create what I want.I have two entities, with a one-to-many relationship between them.
I\'m looking for a mechanism to use to create a simple many-to-many messaging system to allow Windows applications to communicate on a single machine but across sessions and desktops.
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