<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Uncle_Jie的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Uncle_Jie</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Uncle_Jie]]></copyright><item><title><![CDATA[Ubuntu下修改为永久DNS的方法]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/128814783</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/128814783</guid><author>Uncle_Jie</author><pubDate>Tue, 31 Jan 2023 11:43:30 +0800</pubDate><description><![CDATA[Ubuntu下修改为永久DNS的方法]]></description><category></category></item><item><title><![CDATA[Navicat 数据传输、数据同步、结构同步 区别与操作]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127429410</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127429410</guid><author>Uncle_Jie</author><pubDate>Thu, 20 Oct 2022 16:14:41 +0800</pubDate><description><![CDATA[Navicat 数据传输、数据同步、结构同步 区别与操作]]></description><category></category></item><item><title><![CDATA[nginx 负载均衡 POST请求失败重试问题]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127348052</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127348052</guid><author>Uncle_Jie</author><pubDate>Sun, 16 Oct 2022 16:13:36 +0800</pubDate><description><![CDATA[从nginx 1.9.13开始，默认情况下不重试非幂等请求（PUT、POST等），本文介绍如何处理这种情况。]]></description><category></category></item><item><title><![CDATA[nginx 负载均衡策略]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127326820</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/127326820</guid><author>Uncle_Jie</author><pubDate>Sun, 16 Oct 2022 14:07:58 +0800</pubDate><description><![CDATA[介绍了nginx 负载均衡策略]]></description><category></category></item><item><title><![CDATA[Linux学习]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78660192</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78660192</guid><author>Uncle_Jie</author><pubDate>Wed, 29 Nov 2017 00:59:14 +0800</pubDate><description><![CDATA[网络配置相关

vi /etc/sysconfig/network-scripts/ifcfg-eth0  打开eth0的配置文件
mii-tool eth0  查看网卡eth0的连接状态
service network restart   重启网络服务
ping 
www.baidu.com   
curl www.baidu.com   测试能否上网


yum操作的一些指]]></description><category></category></item><item><title><![CDATA[jdbc学习]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78536726</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78536726</guid><author>Uncle_Jie</author><pubDate>Wed, 15 Nov 2017 00:57:44 +0800</pubDate><description><![CDATA[//2. 自定义日期类型转换器
    @Test
    publicvoid test2()
throws Exception {
        //
模拟表单数据
        String name = 
"jack";
        String age = 
"20";
        String birth = 
"   ";]]></description><category></category></item><item><title><![CDATA[Oracle学习及常见问题的解决-day02]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78441342</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78441342</guid><author>Uncle_Jie</author><pubDate>Sat, 04 Nov 2017 09:21:57 +0800</pubDate><description><![CDATA[day2

1.使用NVL(a,b)通用函数，统计员工年收入，NVL()作用于任何类型，即(number/varchar2/date)
通用函数：参数类型可以是number或varchar2或date类型
select ename,sal*12+NVL(comm,0) from emp;

使用NVL2(a,b,c)通用函数，如果a不为NULL，取b值，否则取c值，统计员工年收入]]></description><category></category></item><item><title><![CDATA[Oracle学习及常见问题的解决-day01]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78430886</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78430886</guid><author>Uncle_Jie</author><pubDate>Fri, 03 Nov 2017 00:44:55 +0800</pubDate><description><![CDATA[1.oracle数据库服务器由二部份组成
       （A）实例：理解为对象,看不见的

       （B）数据库：理解为类，看得见的，E:\app\Administrator\oradata\orcl\*.DBF
2.oracle服务器与orcl数据库的关系
        一个oracle数据库服务器中包括多个数据库，例如：orcl，orm，oa，bbs，tax，erp等等]]></description><category></category></item><item><title><![CDATA[MySQL学习及常见问题的解决]]></title><link>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78362954</link><guid>https://blog.youkuaiyun.com/Uncle_Jie/article/details/78362954</guid><author>Uncle_Jie</author><pubDate>Fri, 27 Oct 2017 11:24:09 +0800</pubDate><description><![CDATA[数据库属性CHAR和VARCHAR的区别
1．CHAR的长度是固定的，而VARCHAR的长度是可以变化的， 比如，存储字符串“abc"，对于CHAR (10)，表示你存储的字符将占10个字节(包括7个空字符)，而同样的VARCHAR (10)
则只占用3个字节的长度，10只是最大值，当你存储的字符小于10时，按实际长度存储。 
2．CHAR的效率比VARCHAR的效率稍高。
3.推荐用VAR]]></description><category></category></item></channel></rss>