Before deleting an entity, you must delete the entity from its parent list and delete the parent entity from the entity itself.
Example (CMT in EJB) One-to-many from state to city:
publ
Category: Hibernate
Hibernate is an open source object-relational mapping framework. It encapsulates JDBC very lightweight objects. It establishes a mapping relationship between POJOs and database tables. It is a fully automatic orm framework. Hibernate can automatically generate SQL statements. Automatic execution allows Java programmers to use object programming thinking to manipulate the database as they like. Hibernate can be used in any occasion where JDBC is used, either in Java client programs or in Servlet/JSP Web applications. The most revolutionary thing is that Hibernate can replace CMP in the J2EE architecture using EJB. , To complete the important task of data persistence.
NHibernate Queryover on iUserType
First of all let me apologize for the length of this article, it is mainly code, so I hope you all bear with me!
I have a scenario dealing with a legacy database, I need to write an IUserType
Sleep – repeatable reading and second loss update problem
Using a repeatable read isolation level, updates may still be lost (the second lost update problem). For example. In the scenario where the isolation level is set to RR: 1) Transaction t1 reads da
Hibernate – Creating a JPA EntityMananger in Spring Context
I have a JPA/Spring application which uses Hibernate as the JPA provider. In part of the code, I have to manually create DAOs in my application using the new operator, Instead of using Spring DI. W
Hibernate annotation development
We use annotations in hibernate, which can help us simplify hbm file configuration.
1.1. PO class annotation configuration
@Entity declares an entity br/>@Table to describe the class and table cor
How to tell Hibernate Conditionally ignore the columns in Crud operations
Is it possible in some way to tell Hibernate to conditionally ignore missing columns in the database table when performing CRUD operations?
I have a Java application that uses Hibernate as th
NHIBERNATE line number exceeds partition C #
I am new to nhibernate and need your help.
How to execute this sql query in nhibernate-criteria C#
select * from
(
select *, row_number() over (partition by questionaireId order by ste
Use the Hibernate Projections on Entity With Manytoone relationship, use fewer columns on SQL query
I am trying to build a smaller SQL to avoid the “select * from A” built for hibernate Criteria by default.
If I Using simple fields (no relation), through “Transformers”, I can manage to have
When the component is removed, NHibernate is incorrectly compared to NULL.
I have a problem updating the collection of components on the entity. It was originally mapped as a package, but this resulted in deleting and reinserting all entries every time. Change it to a gro
Select multiple hibernate import.sql depending on the conditions
How to specify the import file I want to run hibernate. Is there a configuration option I can put (I think I have seen something similar somewhere) I can say custom. sql file and hibernate will run