https://blog.youkuaiyun.com/yangzy0808zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/yangzy0808/article/details/5838157https://blog.youkuaiyun.com/yangzy0808/article/details/5838157yangzy0808Wed, 25 Aug 2010 17:17:00 +0800 public static final String ADAPTOR_CONFIG_PATH = "com/qam/idm/dataexchange/app/adaptor/config/";
 public static String xmlPath = AdaptorFTPDaoImpl.class.getClass().getResource("/").getPath();
 private Logger logger = Logger.getLogger(this.]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5838161https://blog.youkuaiyun.com/yangzy0808/article/details/5838161yangzy0808Wed, 25 Aug 2010 17:16:00 +0800 public static final String ADAPTOR_CONFIG_PATH = "com/qam/idm/dataexchange/app/adaptor/config/";
 public static String xmlPath = AdaptorFTPDaoImpl.class.getClass().getResource("/").getPath();
 private Logger logger = Logger.getLogger(this.]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5837086https://blog.youkuaiyun.com/yangzy0808/article/details/5837086yangzy0808Wed, 25 Aug 2010 12:22:00 +0800File f = new File("E:/test.xml");   //定义文件路径       
   if(f.exists() && f.isDirectory()){   //判断是文件还是目录
       if(f.listFiles().length==0){   //若目录下没有文件则直接删除
           f.delete();
       }else{         //若有则把文件放进数组，并判断是否有下级目录https://blog.youkuaiyun.com/yangzy0808/article/details/5834697https://blog.youkuaiyun.com/yangzy0808/article/details/5834697yangzy0808Tue, 24 Aug 2010 14:41:00 +0800要代理的接口类
package com.yzy.test.dynaproxy;
public interface IHelloWorldInterface {
 public void sayHello();   //测试代理的方法
}
要代理的接口类的实现
package com.yzy.test.dynaproxy.impl;
import com.yzy.test.dynaproxy.IHelloWorldInterfa]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5773313https://blog.youkuaiyun.com/yangzy0808/article/details/5773313yangzy0808Thu, 29 Jul 2010 10:59:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/5734552https://blog.youkuaiyun.com/yangzy0808/article/details/5734552yangzy0808Wed, 14 Jul 2010 15:29:00 +0800select * from    where group by  having   order by 的执行顺序:
 
from    where   group by    having   select   order by ;]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5734489https://blog.youkuaiyun.com/yangzy0808/article/details/5734489yangzy0808Wed, 14 Jul 2010 15:14:00 +0800如何在oracle中查询所有用户表的表名、主键名称、索引、外键等(整理网上资料)
 
查所有用户的表在all_tables
主键名称、外键在all_constraints
索引在all_indexes
但主键也会成为索引，所以主键也会在all_indexes里面。
具体需要的字段可以DESC下这几个view，dba登陆的话可以把all换成dba。
查询用户表的索引(非聚集索引):
select   *   ]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5733793https://blog.youkuaiyun.com/yangzy0808/article/details/5733793yangzy0808Wed, 14 Jul 2010 11:14:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/5713476https://blog.youkuaiyun.com/yangzy0808/article/details/5713476yangzy0808Mon, 05 Jul 2010 14:10:00 +0800
 --分析函数over()
--开窗函数
--开窗函数的的理解：
/*
开窗函数指定了分析函数工作的数据窗口大小，这个数据窗口大小可能会随着行的变化而变化，举例如下：
over（order by salary） 按照salary排序进行累计，order by是个默认的开窗函数
over（partition by deptno）按照部门分区
over（order by salary range between]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5709796https://blog.youkuaiyun.com/yangzy0808/article/details/5709796yangzy0808Fri, 02 Jul 2010 17:37:00 +0800一、创建JMS模块（JMS Modules）
1． Lock & Edit
2． 选择左侧菜单Services——>Messaging——>JMS Modules
3． 点击New
4． 填写Name（假设为JMSModule），点击Next
5． 在Targets页面中勾上AdminServer，点击Next
6． 点击Finish，完成创建
7． Activate Changes
二、创建连接工厂（Connect]]>https://blog.youkuaiyun.com/yangzy0808/article/details/5699617https://blog.youkuaiyun.com/yangzy0808/article/details/5699617yangzy0808Mon, 28 Jun 2010 16:12:00 +0800JVM运行时数据区的内存模型由五部分组成：
（1）方法区
（2）堆
（3）JAVA栈
（4）PC寄存器
（5）本地方法栈
对于String s = "haha" ,它的虚拟机指令：
]]>https://blog.youkuaiyun.com/yangzy0808/article/details/4660041https://blog.youkuaiyun.com/yangzy0808/article/details/4660041yangzy0808Mon, 12 Oct 2009 20:15:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/4576936https://blog.youkuaiyun.com/yangzy0808/article/details/4576936yangzy0808Mon, 21 Sep 2009 17:17:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/4538736https://blog.youkuaiyun.com/yangzy0808/article/details/4538736yangzy0808Thu, 10 Sep 2009 13:16:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/4537458https://blog.youkuaiyun.com/yangzy0808/article/details/4537458yangzy0808Thu, 10 Sep 2009 03:23:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/4537423https://blog.youkuaiyun.com/yangzy0808/article/details/4537423yangzy0808Thu, 10 Sep 2009 01:12:00 +0800https://blog.youkuaiyun.com/yangzy0808/article/details/4246538https://blog.youkuaiyun.com/yangzy0808/article/details/4246538yangzy0808Sat, 06 Jun 2009 03:03:00 +0800