jaesonchen

  * fetch={select/join}，默认为select。  * fetch="select" 表示另外发送一条sql语句进行关联查询。  * fetch="join" 表示进行表连接查询。设置为join时，lazy=true失去作用。   * inverse控制的关联关系更新在session.flush时执行，所以在save/update时引发更新关联关系的  ...

import org.hibernate.HibernateException;import org.hibernate.Session;import org.hibernate.cfg.Configuration;import org.hibernate.service.ServiceRegistry;import org.hibernate.service.ServiceR...

<?xml version='1.0' encoding='UTF-8'?><!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hiber...

<?xml version="1.0" encoding="utf-8"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">&

import java.util.HashSet;import java.util.Set;import javax.persistence.*;import org.hibernate.annotations.GenericGenerator; @Entity@Table(name = "department", catalog = "db4myeclipse")...

Session session = null;try { session = HibernateSessionFactory.getSessionFactory().getCurrentSession(); session.beginTransaction(); //FROM子句 //简单的查询，Employee为实体名而不是数据库中的表名(面向对象特性) ...

Session session = null;try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); //当session.createCriteria(实体类.class) 就会产生一条select所有列from 表SQL语句， //查询实体类对应数据表的...

Session session = null;try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); //标量查询（Scalar queries） //它们都将返回一个Object数组(Object[])组成的List，数组每个元素都是user表的一个字段...