one-to-many

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Hibernate one-to-one and one-to-many

I currently have a one-to-many relation between 2 table: I have: Table A (id, ...) Table B (tableAId, ...) (has no id of it\'s own).[详细]

2023-04-06 02:54 分类：问答
Spring-Hibernate One to many relationship persistence

we have Three tables People(id, name), Registrations(id, p_id, sub_id,sem, date), Subjects(id,name, instructor)... I want to know what is the correct layer to write logic to persist list of Registrat[详细]

2023-04-05 13:48 分类：问答
database structure for google plus circles?

I know for sure that Google does not use mysql, but in my case I happen to work on a project using mysql and has features that are very similar to circles:[详细]

2023-04-05 05:22 分类：问答
group chat room using XMPP in xcode iphone to support multiuser chat

I have implemented the one to one chat using xmpp. But for one to multiple users I tried to pass an array of recipients in \"to\" parameter,it sends my message to all of them but cant rece开发者_运维百[详细]

2023-04-04 09:12 分类：问答
One-To-Many-Through adding join model instances

My models: class Test include DataMapper::Resource property :id, Serial property :name, String, :default => \'\'[详细]

2023-04-04 04:06 分类：问答
Doctrine 2: Saving Entity in Complex Relationship

I have the following relationships within my doctrine entities: FavoriteRecipe /** * @ManyToOne(targetEntity=\"User\", inversedBy=\"favoriteRecipes\")[详细]

2023-04-03 12:06 分类：问答
Zend One To Many doesn't work

I was trying an example of one to many relationship in zend framework, but I can\'t get results. Here are the tables:[详细]

2023-04-03 02:55 分类：问答
One to many problem mapping when target entity has composite primary key but source not

I have a use case where a user got some profiles: So a one-to-many association. This is mapped through these legacy tables in pseudo sql.[详细]

2023-04-02 12:11 分类：问答
JPA OneToMany Cacade.ALL creating two entries for the parent

We are using JPA-Hibernate in our project We have a entity, say a A which has a list of entity Bs. Wi开发者_如何转开发thin A, there is a OneToMany on list of Bs[详细]

2023-03-31 11:20 分类：问答
one-to-many: making Hibernate select the reference's id instead of joining it

I have two classes stored in my database using Hibernate. Let\'s call them Container and Item. Item has a one-to-many relation to Container:[详细]

2023-03-31 08:20 分类：问答