one-to-many

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One to Many Insert statement in Linq

Hi I know this type of question is already asked on SO. But I havent get satisfied. So i am posting my own scenario.[详细]

2023-03-30 17:27 分类：问答
SQL One-to-Many Table vs. multiple one-to-one relationships

I\'m working on a project with the following objective: A User can create a Challenge and select an optional Rival to take part of this challenge. The Challenge generates Daily entries and will track[详细]

2023-03-30 06:39 分类：问答
Error in One-to-many Relationship in Entity Framework

I have the following tables开发者_如何学JAVA Users ---------- UserId (int) Name (varchar) Stores ----------[详细]

2023-03-29 19:38 分类：问答
problem with NHibernate one-to-many relationship Collection with cascade

I have AssetGroup entity with has a one-to-many relation with Asset entity. There is a Entity base class which overrides Equals and GetHashCode . I am following the example of ch 20 parent child[详细]

2023-03-28 01:10 分类：问答
Using MVC 3 Entity Framework Code-First, how do you create a new "many" object in a one-to-many relationship?

I\'m sure that this is very straight-forward, however, after scouring the net I can\'t find anything to set me straight.[详细]

2023-03-27 09:33 分类：问答
hibernate one to many query

I have following classes-tables with onetomany relationships People @Entity public class People{ @Id @Column private Integer id;[详细]

2023-03-27 01:09 分类：问答
My NSManagedObject has 2 To－Many relationship， but only one can return correct class information

My NSManagedObject says Tag has 2 To－many relationships，says posts and children. And I let Xcode 4 to generate NSManagedObject subclass for it.But I find that only one relationship can return the co[详细]

2023-03-26 10:36 分类：问答
Hibernate, Associations not working

I have a model like this Seizurs => MatCountry => MatCountryI18n When I try to query the data like so criteria.[详细]

2023-03-26 08:09 分类：问答
JPA EclipseLink @OneToMany returns empty set

I am using an embedded id: @Embeddable public class EntityId { private long id; } And I have the following tables:[详细]

2023-03-26 06:10 分类：问答
Linq To Sql One To Many

Say I have 3 tables, Cars, Persons, CarOwners. Cars is just a table of cars and Persons are different people that can own cars. CarOwners has a CarId and a PersonId relationship and a CarOwnerId PK.[详细]

2023-03-25 17:51 分类：问答