jointable

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Hibernate @WhereJoinTable trouble

I\'m getting used to hibernate but every now and again I hit a stumble, here\'s another one. I\'m trying to achieve the following:[详细]

2023-02-10 15:14 分类：问答
Rails 3 - Join Table with not _id Columns

I\'m trying to use a join table with a foreign key that does not end with _id and points to an non id primary key. Here\'s what I have开发者_JAVA技巧.[详细]

2023-02-08 05:48 分类：问答
Is it possible to do an SQL query across two tables?

I have a couple tables that look like this: ______________________ Books|| Tags| |-----------||-----------|[详细]

2023-02-06 01:01 分类：问答
Doctrine 2 join table + extra fields

I\'ve got two tables and a join table: \'staff\', \'classification\' and \'staff_classification\'. In the join table I\'ve got an extra boole开发者_StackOverflow中文版an field: \'showclassification\'.[详细]

2023-01-30 05:14 分类：问答
Rails 3 nested forms with has_many :through, entry in join table doesn't get deleted after update

I have a \'User\' model which has a has_many relationship to a \'Number\' model through a join table \'user_number\' model.[详细]

2023-01-20 16:02 分类：问答
How to delete all associations in a Hibernate JoinTable at once?

We have the following two entities with many-to-many association: @Entity public class Role { ... @ManyToMany[详细]

2023-01-08 18:21 分类：问答
In Rails how does one find disassociated records in a HABTM relationship?

I hav开发者_运维百科e a HABTM relationship between Videos and Campaigns in Rails which means the association is stored in a join table. I want to find all the Videos that do NOT have an associated cam[详细]

2023-01-06 21:25 分类：问答
Buddy List: Relational Database Table Design

So, the modern concept of the buddy list: Let\'s say we have a table called Person. Now, that Person needs to have many buddies (of which each bu开发者_开发百科ddy is also in the person class). The mo[详细]

2023-01-03 13:59 分类：问答
Does @JoinTable has a property of "table" or not?

The following is copied from hibernate\'s document. (http://docs.jboss.org/hibernate/stable/annotations/reference/en/html_single/#d0e2770)[详细]

2022-12-25 04:08 分类：问答
Self referencing symmetrical Hibernate Map Table using @ManyToMany

I have the following class public class ElementBean { private String link; private Set<ElementBean> connections;[详细]

2022-12-23 17:19 分类：问答