<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Patrick]]></title><description><![CDATA[TO SHARE MY DOCUMENTS WITH 优快云]]></description><link>https://blog.youkuaiyun.com/found2008</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; found2008]]></copyright><item><title><![CDATA[Oracle之数据库一致性读的原理]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/8109869</link><guid>https://blog.youkuaiyun.com/found2008/article/details/8109869</guid><author>found2008</author><pubDate>Thu, 25 Oct 2012 10:56:55 +0800</pubDate><description><![CDATA[在Oracle数据库中，undo主要有三大作用：提供一致性读（Consistent Read）、回滚事务（Rollback 
Transaction）以及实例恢复（Instance Recovery）。

一致性读是相对于脏读（Dirty 
Read）而言的。假设某个表T中有10000条记录，获取所有记录需要15分钟时间。当前时间为9点整，某用户A发出一条查询语句：select * fro]]></description><category></category></item><item><title><![CDATA[oracle深度解析检查点]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/8109737</link><guid>https://blog.youkuaiyun.com/found2008/article/details/8109737</guid><author>found2008</author><pubDate>Thu, 25 Oct 2012 10:39:35 +0800</pubDate><description><![CDATA[由于中LGWR和DBWR工作的不一致，Oracle引入了检查点的概念，用于同步，保证数据库的一致性。在Oracle里面，检查点分为两种：完全检查点和增量检查点。下面我们分别介绍这两种检查点的作用：
　　1、完全检查点
　　在Oracle8i之前，数据库的发生的检查点都是完全检查点，完全检查点会将数据缓冲区里面所有的脏数据块写入相应的数据文件中，并且同步数据文件头和控制文件，保证数据库的一致。完]]></description><category></category></item><item><title><![CDATA[查找所有可执行文件的脚本]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7474009</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7474009</guid><author>found2008</author><pubDate>Wed, 18 Apr 2012 16:16:02 +0800</pubDate><description><![CDATA[清单 1. 用 tcsh 编写的查找所有可执行文件的脚本
        
#!/bin/tcsh
# find all executables

set count=0

# Test arguments
if ($#argv != 1) then
  echo "Usage is $0 "
  exit 1
endif

# Ensure argument is a directory
i]]></description><category></category></item><item><title><![CDATA[如何察看僵尸进程 zombie]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7373562</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7373562</guid><author>found2008</author><pubDate>Tue, 20 Mar 2012 15:10:46 +0800</pubDate><description><![CDATA[其实这是系统维护每天必看的东西，都非常简单，也就是把平常使用的
ps -ef 多加一个l就可以看到更多详细的信息。


top - 23:59:03 up 45 min,  6 users,  load average: 0.25, 0.88, 0.52
Tasks: 137 total,   1 running, 133 sleeping,   2 stopped,  
1 zomb]]></description><category></category></item><item><title><![CDATA[Make Table read only]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7348947</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7348947</guid><author>found2008</author><pubDate>Tue, 13 Mar 2012 15:00:30 +0800</pubDate><description><![CDATA[Today I’ll show how we can make a table read only using database triggers


In this example, we’ll create a table, insert data in it, and then create trigger to prevent any insert, update or delete]]></description><category></category></item><item><title><![CDATA[Block developers from using TOAD and other tools on production databases]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7348940</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7348940</guid><author>found2008</author><pubDate>Tue, 13 Mar 2012 14:58:44 +0800</pubDate><description><![CDATA[CONNECT / AS SYSDBA;
 
CREATE OR REPLACE TRIGGER block_tools_from_prod
  AFTER LOGON ON DATABASE
DECLARE
  v_prog sys.v_$session.program%TYPE;
BEGIN
  SELECT program INTO v_prog
    FROM sys.v]]></description><category></category></item><item><title><![CDATA[User access to database within limits of time]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7348933</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7348933</guid><author>found2008</author><pubDate>Tue, 13 Mar 2012 14:58:01 +0800</pubDate><description><![CDATA[C:\Documents and Settings\Administrator>sqlplus "/as sysdba"
 
SQL*Plus: Release 10.2.0.1.0 - Production on Tue Jul 28 14:56:58 2009
 
Copyright (c) 1982, 2005, Oracle.  All rights reserved.]]></description><category></category></item><item><title><![CDATA[日常 VI 编辑总结]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7276374</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7276374</guid><author>found2008</author><pubDate>Mon, 20 Feb 2012 16:22:28 +0800</pubDate><description><![CDATA[1、常用操作命令

  0:行首 $:行尾

  gg:文档开始处 G:文档结束处

  H/M/L: 移动光标到屏幕的首行、中间一行、尾行

  Ctrl+f/Ctrl＋b: 向文件尾翻一屏、首翻一屏

  /word:搜索word     

  n:搜索下一个,N:反方向查找

  dd:删除当前行,10dd删除当前10行,dw:删除当前单词

  yy:复制]]></description><category></category></item><item><title><![CDATA[如何使用Email下发来加载显示HTML文件的内容]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7276065</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7276065</guid><author>found2008</author><pubDate>Mon, 20 Feb 2012 15:25:50 +0800</pubDate><description><![CDATA[#该脚本主要是实现如何使用PHP来进行Email发送HTML，并显示该Email的HTML内容
#!/usr/bin/php   -q 

$email="xx@gmai.com";
$error_log="统计下发邮件不存在，请检查统计、导入文件是否正常!";
$email_Maintenance="xx@gmai.com";
$email_t_spm_mart="xx@gmai.c]]></description><category></category></item><item><title><![CDATA[LINUX DISK 磁盘空间监控]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7276018</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7276018</guid><author>found2008</author><pubDate>Mon, 20 Feb 2012 15:13:48 +0800</pubDate><description><![CDATA[#!/bin/sh
#监控磁盘空间使用情况
#Written by Clement changed name Goni
#Http://chameleon.icpcn.com
scriptdir=/root/shell/disk_jk
logdir=$scriptdir/log
if [ -d $logdir ]
then
echo "$logdir is exist~!"
el]]></description><category></category></item><item><title><![CDATA[Linux CPU 监控脚本]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7275976</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7275976</guid><author>found2008</author><pubDate>Mon, 20 Feb 2012 15:09:18 +0800</pubDate><description><![CDATA[#下面是一个简单的CPU监控脚本，当然还可以在进行全面考虑升级该脚本。
#!/bin/sh
#-gt "60" 服务器只有一个CPU
scriptdir=/root/shell/cpu_jk  #目录存放
logdir=$scriptdir/log  #日志文件存放及目录创建/清理
if [ -d $logdir ]
then
echo "$logdir is exist~!"
e]]></description><category></category></item><item><title><![CDATA[每天定时创建目录]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7275937</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7275937</guid><author>found2008</author><pubDate>Mon, 20 Feb 2012 15:04:12 +0800</pubDate><description><![CDATA[下面是对HP-UX的填写，，，，


今天一个朋友需要这样一个程序：每天定时创建一个目录，该目录的名称是10天前的日期。
    这段需求可以拆分如下：
        1. 每天定义创建一个目录
            解决方案：这个需求可以用crontab功能来实现
        2. 该目录的名称是10天前的日期
            解决方案：这个需求可以看成是获得今天]]></description><category></category></item><item><title><![CDATA[how to get around lines to show and for analyze!!]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7260932</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7260932</guid><author>found2008</author><pubDate>Wed, 15 Feb 2012 13:42:20 +0800</pubDate><description><![CDATA[[root@www ~]# grep [-A] [-B] [--color=auto] '搜尋字串' filename
選項與參數：
-A ：後面可加數字，為 after 的意思，除了列出該行外，後續的 n 行也列出來；
-B ：後面可加數字，為 befer 的意思，除了列出該行外，前面的 n 行也列出來；
--color=auto 可將正確的那個擷取資料列出顏色

範例一：用 dme]]></description><category></category></item><item><title><![CDATA[linux下IPTABLES配置详解]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7237195</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7237195</guid><author>found2008</author><pubDate>Mon, 06 Feb 2012 16:20:39 +0800</pubDate><description><![CDATA[linux下IPTABLES配置详解

如果你的IPTABLES基础知识还不了解,建议先去看看.
开始配置
我们来配置一个filter表的防火墙.
(1)查看本机关于IPTABLES的设置情况
[root@tp ~]# iptables -L -n
Chain INPUT (policy ACCEPT)
target       prot opt source]]></description><category></category></item><item><title><![CDATA[Oracle Modeling]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7236886</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7236886</guid><author>found2008</author><pubDate>Mon, 06 Feb 2012 15:01:03 +0800</pubDate><description><![CDATA[You guys can use shared link  http://docs.oracle.com/cd/E11882_01/server.112/e25554/sqlmodel.htm#DWHSG022
It's so simple to use it.join !!!



The MODEL clause enables you to create a multidimens]]></description><category></category></item><item><title><![CDATA[Oracle List 功能 《=》 Oracle: wmsys.wm_concat、sys_connect_by_path、自定义函数实现行列转换]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/7236858</link><guid>https://blog.youkuaiyun.com/found2008/article/details/7236858</guid><author>found2008</author><pubDate>Mon, 06 Feb 2012 14:53:35 +0800</pubDate><description><![CDATA[构建测试表：
Sql代码
create table TABLE1   
(   
  ID   INTEGER,   
  NAME VARCHAR2(10)   
)   
  
create table TABLE2   
(   
  ID   INTEGER,   
  ROLE VARCHAR2(10)   
)   
  
insert into TABLE1 (ID, NAME) v]]></description><category></category></item><item><title><![CDATA[CTAS 使用一]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/6825602</link><guid>https://blog.youkuaiyun.com/found2008/article/details/6825602</guid><author>found2008</author><pubDate>Tue, 27 Sep 2011 11:59:38 +0800</pubDate><description><![CDATA[说明：CTAS 于order by子句连接
create table new_customer
 tablespace customer_flip
   storage (initial 500M
            next    50M]]></description><category></category></item><item><title><![CDATA[Oracle Sql 语句优化技巧总结一]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/6825593</link><guid>https://blog.youkuaiyun.com/found2008/article/details/6825593</guid><author>found2008</author><pubDate>Tue, 27 Sep 2011 11:57:29 +0800</pubDate><description><![CDATA[1.  共享SQL



 
 
说明：为了不重复解析相同的SQL语句,在第一次解析之后,ORACLE将SQL语句存放在内存中.
 
这块位于系统全局区域SGA(system global area)的共享池(shared buffer pool)中的内存可以被所]]></description><category></category></item><item><title><![CDATA[postgresql 优化说明一]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/6825586</link><guid>https://blog.youkuaiyun.com/found2008/article/details/6825586</guid><author>found2008</author><pubDate>Tue, 27 Sep 2011 11:53:34 +0800</pubDate><description><![CDATA[Performance Tips
Table of Contents
1、Using EXPLAIN and explain Analyze
2、Statistics Used by the Planner
3、Controllingthe Planner with Ex]]></description><category></category></item><item><title><![CDATA[SVN 管理软件安装、部署、使用详细介绍]]></title><link>https://blog.youkuaiyun.com/found2008/article/details/6825580</link><guid>https://blog.youkuaiyun.com/found2008/article/details/6825580</guid><author>found2008</author><pubDate>Tue, 27 Sep 2011 11:51:57 +0800</pubDate><description><![CDATA[1.  简介
--svn(subversion)是近年来崛起的版本管理工具,是cvs的接班人。目前,绝大多数开源软件都使用svn作为代码版本管理软件。
运行方式：svn服务器有2种运行方式：独立服务器和借助apache。
数据存储方式：svn存储版本数据也有2种方式：BDB]]></description><category></category></item></channel></rss>