I\'m currently working on a small PoC project and decided to take NHibernate for a spin for the persistence part.
I have a couple of domain objects which I am trying to save using the Cascade functionality. However, when I add a child to a parent and save the parent, the child object is not saved.
I have a question about copying rows in PostgreSQL. My table hierarchy is quite complex, where many tables are linked to each other via foreign keys. For the sake of simplicity, I will explain my ques
In a web application which creates Bill for SaleOrder for a Buyer, I tried to create database tables and hibernate mappings. The relationships between the entities are:
I have objects A and B. 开发者_如何学运维Object A is like class A{ Set<B> } Now when I save A I want that all objects in Set<B> of A should be automatically saved in DB. How can I do
while writing a bookstore application ,I needed to put mappings for Book and Publisher classes. Book has n-to-1 relationship with Publisher.Also n-to-1 with Author .
I normally have everything set to cascade all by using a convention, like so: public class CascadeAllConvention : IHasOneConvention, IHasManyConvention, IReferenceConvention
Hi I try to create a ManyToOne relation but get stucked. I have a BILL and a Booking Class The realation is :
I have a Java class that contains a list of another class. @Entity public class Country { private Long id;
My question i开发者_如何学JAVAs two fold, firstly, is it possible to create a foreign key,in mysql, from a referencing table to a column in the referenced table that is not a candidate key ? I tried
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