I have one-to-many relationship between parent and child Java objects. The parent object uses java.util.List that stores multiple child objects. The problem I am experiencing is when updating the pare
In short, the problem is that, when add child object to the collection property of the parent object without explicit setting the parent property of the child object, the insert will fail. Let\'s take
I found several times people asking for the same question but it seems that the answer was never satisfying altough it should be pretty easy (in theory). Here is my question :
The parameters are thus: I have a table called Tasks with columns ID (primary key) and label (text). I have another table called Locations with a foreign key referencing Tasks\' ID and a name for a
I\'m using JPA over Hibernate in my web-app. Here are two entities (only getters are shown): class Child {
Hi, Although I have a lot of experience in database development, I\'m having a hard time conceptualizing linking relationships in Core Data. As I understand it, the many relationship is an NSSet at
Quick question: If I have a one-to-many relationship, such as thi开发者_StackOverflows: class SalesPerson < ActiveRecord::Base
I have a class called Worker public class Worker : BaseEntity { public virtual int WorkerID { get; set; }
I have two tables: <class name=\"Content\" table=\"language_content\" lazy=\"false\"> <composite-id>
I have an XML string that looks like this: <Attributes> <ProductAttribute id=\"1\"> <ProductAttributeValue>
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