cascading-deletes

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JPA (with Play!) bidirectional Many-to-Many - how to remove from both sides of the relationship?

I have the following mapping in my Play! app using JPA: @Entity public class Contact extends Model { public String name;[详细]

2023-03-06 14:25 分类：问答
Deleted object would be re-saved by cascade (remove deleted object from associations) in nhibernate

I keep getting this error when trying to delete a record from my table. Insert and Update work fine apart from delete.[详细]

2023-03-06 12:16 分类：问答
Can I do a sort of DELETE with JOIN?

I have this kind of table in my MySql Database : CREATE TABLE `forum_categories` ( `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,[详细]

2023-03-06 07:02 分类：问答
Problems with cascading deletion in Hibernate

This question has been asked numerous times before, yet I haven\'t seen a satisfactory answer since, thus I am asking it again.[详细]

2023-03-06 05:54 分类：问答
Simulate a DELETE CASCADE in MySQL?

Is it possible to predict the o开发者_开发问答perations that follow a DELETE CASCADE automatically? In my software I would like to give the user a warning with details about the data that would be del[详细]

2023-03-06 05:44 分类：问答
Deleting from multiple tables using gridview delete command

I have a grid view utilizing sql data source. Now I want to delete a record using grid view\'s delete command, the problem is that a single record is based on information collected from multiple table[详细]

2023-03-05 09:06 分类：问答
Grails reverse cascade delete without hasMany or belongsTo

I have two domain-classes. class UsersAddThese { String someData } and class TheseAreConstantlyGenerated {[详细]

2023-03-04 18:49 分类：问答
nhibernate "cascade="all-delete-orphan" error

i have 3 tables in my database: Projects(id, name) Tags (id, name) ProjectsTagss (id, projectId, tagid) As you can see the ProjectsTags table is a bridge table[详细]

2023-03-01 13:23 分类：问答
Entity Framework 4.1 InverseProperty Attribute and ForeignKey

I will create two references between Employee and Team entities with foreign keys. So I defined two entities as follow[详细]

2023-03-01 06:19 分类：问答
SQL Table Datastructure, is this wrong? Using CASCADING Delete

Here are the 3 tables I am having problems with: Table: Opportunities - Holds various opportunity(job) descriptions[详细]

2023-02-27 08:12 分类：问答