one-to-many

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versioning on one-to-many relation

i have a little problem with symfony versionable feature in Doctrine one-to-many relationships. i have one-to-many relationship and i want to make it versionable. here is my schemas:[详细]

2023-03-25 12:12 分类：问答
Hibernate: mapping two classes to a common third class

I am searching for the correct mapping of a many-to-one relationship of two classes pointing on a third one.[详细]

2023-03-25 09:19 分类：问答
Populating an object based on a one-to-many table relationship in SQL

I have an object in C# like this: private ClassWidget { public int ID; public List<int> WidgetFavoriteNumbers;[详细]

2023-03-24 23:49 分类：问答
SQL Query to select only values that have No default indicator

I have a table that has the following fields: Primary Key ID Employee_ID Default_Indicator (value \'N\' or \'Y\')[详细]

2023-03-24 22:01 分类：问答
How to express a One-To-Many relationship in Django?

I\'m defining my Django models right now and I realized that there wasn\'t a OneToManyField in the model field types. I\'m sure there\'s a way to do this, so I\'m not sure what I\'m missing. I essenti[详细]

2023-03-24 18:57 分类：问答
Why NHibernate deletes referenced objects one by one, not using foreign key?

I have simple Parent-Child relationship, Parent has many Child objects, the relation is unidirectional:[详细]

2023-03-24 10:42 分类：问答
AutoMapper one to many relation

I\'m starting to use AutoMapper for my project. For this I want to do the following \'one-to-many\' mapping:[详细]

2023-03-23 23:52 分类：问答
Entity Framework 4.1 Codefirst: "Given multiplicity constraints" error when deleting one-to-many children

I have the following classes in Entity Framework 4.1 (the classes have been pruned to keep the code readable)[详细]

2023-03-23 22:38 分类：问答
What is best way to use NHibernate to map a constrained many-to-many relationship?

I have two entities represented by two tables in the database, joined by a linking table with a unique constraint on each of the two foreign keys. (See this question for details). The linking table al[详细]

2023-03-23 21:31 分类：问答
How to select one to many relationship & one to one together using dapper

I have following classes and db schema.I am trying to query this data from database using dapper that would hydrate the full object graph.I looked at various SO question and the test but couldn\'t rea[详细]

2023-03-23 17:00 分类：问答