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			    <title>qiaoruzhi78的个人空间</title>
			    <link>http://space.itpub.net/26684</link>
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			    <copyright>Copyright(C) qiaoruzhi78的个人空间</copyright>
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								<title>ORA- 00600 [2662]的解决方法</title>
								<link>http://space.itpub.net/26684/viewspace-343382</link>
								<description><![CDATA[<P>参考：<A href="http://www.loveunix.cn/html/32/1132-21709.html">http://www.loveunix.cn/html/32/1132-21709.html</A></P>
<P>中午刚打好饭，电话就响了。客户A主机的数据BC到B主机没成功，导致A和B的数据库都无法open，报ora-00600 [2662]错误。<SPAN style="DISP...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Wed, 11 Jun 2008 14:17:30 GMT</pubDate>
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							<item>
								<title>Oracle 通过ODBC连接mysql</title>
								<link>http://space.itpub.net/26684/viewspace-343377</link>
								<description><![CDATA[<P>Oracle 通过ODBC连接mysql:<BR>1)&nbsp; 安装MYSQL提供的ODBC接口程序。建议不要低于3.51版本。我安装的版本是mysql-connector-odbc-3.51.25-win32。</P>
<P>2）建立ODBC数据源，注意一定要建立ODBC系统数据源。如建立ODBC用户数据源。 在使用时，会发生问题。</P>
<...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Wed, 11 Jun 2008 13:26:24 GMT</pubDate>
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								<title>Oracle 9i monitor table的方法</title>
								<link>http://space.itpub.net/26684/viewspace-342947</link>
								<description><![CDATA[<P>Oracle 9i monitor table的方法：</P>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 一直以來，只知道Oracle存在monitor index的方法，用來監控index有沒有被使用。大概大家認為查出沒有被使用的index比較有意義吧。 但是監控table的方法，卻沒有被人提及過。其實對一個存在許多...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Sat, 07 Jun 2008 13:58:21 GMT</pubDate>
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								<title>Windows启动时ORACLE服务没有自动打开 - Oracle 8170</title>
								<link>http://space.itpub.net/26684/viewspace-332574</link>
								<description><![CDATA[<P>Windows重新启动后ORACLE服务没有自动打开 - Oracle 8170</P>
<P>一般遇到此问题的解决方法是检查<BR>HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\HOME0\ORA_SALARY_AUTOSTART值是否位true。<BR>HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\HOME0\E:\oracle\admin\salary\pfile\init...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 05 Jun 2008 15:42:31 GMT</pubDate>
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								<title>RAC体系结构</title>
								<link>http://space.itpub.net/26684/viewspace-331070</link>
								<description><![CDATA[<P>引自：<A href="http://space.itpub.net/12361284/viewspace-87893">http://space.itpub.net/12361284/viewspace-87893</A></P>
<P>RAC体系结构<BR>------------------<BR>在一个应用环境当中，所有的服务器使用和管理同一个<A nclick="javascript.:tagshow(event, '%...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Tue, 03 Jun 2008 16:29:24 GMT</pubDate>
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							<item>
								<title>Oracle Server - Export and Import FAQ</title>
								<link>http://space.itpub.net/26684/viewspace-324118</link>
								<description><![CDATA[<TABLE cellSpacing=6 cellPadding=0 width="80%" border=0>
<TBODY>
<TR>
<TD vAlign=top align=right>Subject: </TD>
<TD align=left colSpan=4><STRONG>Oracle Server - Export and Import FAQ</STRONG></TD></TR>
<TR>
<TD></TD>
<TD vAlign=top align=right><...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 29 May 2008 15:04:14 GMT</pubDate>
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								<title>密码文件和remote_login_password的关系</title>
								<link>http://space.itpub.net/26684/viewspace-296665</link>
								<description><![CDATA[<P><STRONG>remote_login_password：</STRONG><BR>remote_login_password = none<BR>不使用密码文件认证</P>
<P>remote_login_password = exclusive<BR>单个instance使用密码文件，可记录多个user的信息。<BR>如grant sysdba to scott， 密码文件就记录了scott的信息 。<...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Fri, 23 May 2008 11:34:46 GMT</pubDate>
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								<title>让我们永远记住这一刻！</title>
								<link>http://space.itpub.net/26684/viewspace-293585</link>
								<description><![CDATA[<STRONG><FONT face=幼圆 size=7>2008年5月12日 14时28分</FONT></STRONG>]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Fri, 23 May 2008 11:27:56 GMT</pubDate>
							</item>
							<item>
								<title>Solaris中C++編譯器的默認安裝路徑 - 2</title>
								<link>http://space.itpub.net/26684/viewspace-261592</link>
								<description><![CDATA[<P>Solaris中C++編譯器的默認安裝路徑 - 2：</P>
<P>前面有讲，默认solaris 10g自动安装了C++編譯器。<BR>见：<A href="http://space.itpub.net/26684/viewspace-244124">http://space.itpub.net/26684/viewspace-244124</A><BR>并且说明了C++編譯器为'/usr/sfw/bin/gcc'...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Tue, 06 May 2008 20:58:57 GMT</pubDate>
							</item>
							<item>
								<title>Solaris中C++編譯器的默認安裝路徑</title>
								<link>http://space.itpub.net/26684/viewspace-244124</link>
								<description><![CDATA[<P>Solaris中<EM>C++</EM>編譯器的默認路徑:</P>
<P>Solaris 10默認會安裝<EM>C++</EM>的編譯器。<BR>通過以下命令檢查：<BR>#&nbsp; pkginfo |grep gcc<BR>system&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SUNWgcc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Sat, 19 Apr 2008 10:16:53 GMT</pubDate>
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								<title>_serial_direct_read, direct path read和checkpoint</title>
								<link>http://space.itpub.net/26684/viewspace-243701</link>
								<description><![CDATA[<SPAN id=ctl00_MainContentPlaceholder_ctl01_ctl00_lblEntry>&nbsp;
<DIV class=bvEntry id=entrycns!57D0C396BA028F14!263 bv:cns="cns!57D0C396BA028F14!263" bv:ca="true" bv:cat="">
<DIV id=LastMDatecns!57D0C396BA028F14!263>引至：<A href="http://oracledba....]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Fri, 18 Apr 2008 10:57:15 GMT</pubDate>
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								<title>Oracle 8.1.7.4 dblink problem</title>
								<link>http://space.itpub.net/26684/viewspace-235704</link>
								<description><![CDATA[<P>Red Hat Linux 7.2 2.96-108.1<BR>Oracle 8.1.7.4 <BR>--&gt;<BR>Solaris 5.9<BR>Oracle&nbsp; 9.2.0.6<BR>當sql中采用exist時， 長時間處于SQL*Net message from dblink的等待，但通過dblink的結果集數据并不是很多。网絡也很正常。怀疑是优化器的Bug造成的，用in 代替...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Mon, 14 Apr 2008 13:57:52 GMT</pubDate>
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							<item>
								<title>extent mangement local tablespace的一些概念</title>
								<link>http://space.itpub.net/26684/viewspace-232364</link>
								<description><![CDATA[<P>tablespace extent management type:<BR>Local :&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9i默认<BR>Directory: 8i默认 ，通过uet$, fet$字典管理。<BR><BR>当为local时，&nbsp;segment的参数initial extent, next extent将失效。<BR>当我们在create tablespace时，指定initial...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 10 Apr 2008 14:11:43 GMT</pubDate>
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								<title>Oracle varchar2的范围限制</title>
								<link>http://space.itpub.net/26684/viewspace-227916</link>
								<description><![CDATA[<P>Oracle varchar2的范围限制：</P>
<P>在sql中使用varchar2来定义表时，最大为4000个字符。<BR>在pl/sql中使用varchar2来定义变量时，最大为32K.</P>
<P>另, oracle的integer,int类型为number的子类型，大小可为，-2^38 -- +2^38</P>]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 03 Apr 2008 16:38:38 GMT</pubDate>
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								<title>check oracle corruption block总结</title>
								<link>http://space.itpub.net/26684/viewspace-220472</link>
								<description><![CDATA[<P>1: &nbsp;db_block_checksum=true<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;该参数在把dirty block 写入datafile时，做checksum符号位的检查。当buffer中checksum的和datafile的checksum值不匹配时，报<FONT face=Courier>ORA-1578错误。</FONT><BR>&nbsp;&nbsp;&nbsp;&nbsp;...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Mon, 31 Mar 2008 21:04:00 GMT</pubDate>
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								<title>analyze index時， validate structure和compute statistics的區別？</title>
								<link>http://space.itpub.net/26684/viewspace-218004</link>
								<description><![CDATA[<P>validate structure和compute statistics的區別？</P>
<P>analyze &nbsp;index index1 validate structure：<BR>analyze&nbsp;&nbsp;index index1 compute statistics：<BR><BR>在分析索引的時候，一般會用到以上二個命令，那么這二個命令是用來干嘛呢？<BR>analyze&n...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 27 Mar 2008 10:41:18 GMT</pubDate>
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								<title>rsh配置</title>
								<link>http://space.itpub.net/26684/viewspace-214962</link>
								<description><![CDATA[<P>Solaris rsh配置步驟：</P>
<P>1）配置$HOME/.rhosts<BR>&nbsp;&nbsp;&nbsp;&nbsp; + : 表示通過所有host<BR>&nbsp;&nbsp;&nbsp; hostname username : 自動認證某臺主機，某user</P>
<P>2) 配置 /etc/hosts.equiv<BR>&nbsp;&nbsp;&nbsp; hostname username : 自動認證...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Fri, 21 Mar 2008 20:56:05 GMT</pubDate>
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							<item>
								<title>Solaris10开启telnet服务</title>
								<link>http://space.itpub.net/26684/viewspace-213884</link>
								<description><![CDATA[<DIV class=t_msgfont id=message7480550>Solaris10 系统中支持ssh1&nbsp;&nbsp;ssh2 访问。正常情况下telnet 访问被disable.<BR>To disable telnet on a Solaris 10 system:<BR><BR># svcadm disable telnet<BR><BR>To re-enable telnet on a Solaris 10 system:<BR><BR>...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 20 Mar 2008 15:52:10 GMT</pubDate>
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								<title>解决VMWARE上solaris网卡不能使用</title>
								<link>http://space.itpub.net/26684/viewspace-213877</link>
								<description><![CDATA[<P>解决VMWARE上solaris网卡不能使用</P>
<P>VMWARE 上install solaris 10 expressional，安装好后只显示le0这个网卡，加多个vm 网卡上去都不能被识别。<BR></P>
<P>处理方法：</P>
<P>说明你的网卡有问题，我也遇到过，进level 1或者s。<BR>1）<BR>init 1<BR>sys-unco...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 20 Mar 2008 14:05:45 GMT</pubDate>
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								<title>Oracle 10g CRS 安装管理一点小结</title>
								<link>http://space.itpub.net/26684/viewspace-207438</link>
								<description><![CDATA[<P>Oracle 10g CRS 安装管理一点小结<BR>&nbsp;<BR>【1】 crs(Cluster Ready Services)是10gRAC的新特性，与database是不同的介质，都可以在otn上免费下载<BR>【2】 安装10g RAC之前，必须先安装10g CRS<BR>【3】 CRS可以运行于其他集群软件之上，比如sun cluster，hacmp，...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Mon, 17 Mar 2008 10:34:08 GMT</pubDate>
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								<title>什么样的index需要rebuild？</title>
								<link>http://space.itpub.net/26684/viewspace-207197</link>
								<description><![CDATA[<P>什么样的index需要rebuild？<BR><BR>当一个table经常进行DML操作时，它的索引会存在许多block空间的浪费，这是因为index block中的记录只有在全部表示为不可用时， block 才能被加入到freelist中去被重新利用。所以我们需要寻找那些浪费空间很严重的index。<BR><BR>方法...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Fri, 14 Mar 2008 16:30:32 GMT</pubDate>
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								<title>lvm的介绍和常用功能流程实验</title>
								<link>http://space.itpub.net/26684/viewspace-206124</link>
								<description><![CDATA[<P>引之：<A href="http://blog.cfan.com.cn/index.php/144113/action_viewspace_itemid_152927">http://blog.cfan.com.cn/index.php/144113/action_viewspace_itemid_152927</A></P>
<P><FONT face=楷体_GB2312><FONT size=3><SPAN lang=EN-US>lvm</SPAN>的介绍和常用功...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 13 Mar 2008 10:32:04 GMT</pubDate>
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								<title>10G ASM 学习笔记2</title>
								<link>http://space.itpub.net/26684/viewspace-204116</link>
								<description><![CDATA[<P>1) Oracle 不推荐使用大的failure group.</P>
<P>2) 如果使用redundancy, 需要注意diskgroup 的空间使用的问题，应为它需要diskgroup保留一些空间，给disk出错时使用。计算保留空间的大小方法是：<BR>select&nbsp; (free_mb - requested_mirror_free_mb) / 2 from v$a...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Wed, 12 Mar 2008 14:41:39 GMT</pubDate>
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								<title>10G ASM 学习笔记1</title>
								<link>http://space.itpub.net/26684/viewspace-204036</link>
								<description><![CDATA[<P><FONT size=2>10G ASM 学习笔记 ：</FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><FONT size=2><FONT face="Times New Roman"><SPAN lang=EN-US style="mso-fareast-font...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Wed, 12 Mar 2008 08:13:11 GMT</pubDate>
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								<title>Linux下常用配置文件及常用命令的介绍</title>
								<link>http://space.itpub.net/26684/viewspace-200487</link>
								<description><![CDATA[<DIV id=art style="MARGIN: 15px">Linux下常用配置文件及常用命令的介绍<BR>　　 <BR>　　Linux下常用配置文件及常用命令的介绍 /etc/sysconfig/network 包括主机基本网络信息，用于系统启动<BR>　　/etc/sysconfig/network-script/ 此目录下是系统启动最初始化网络的信息...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 06 Mar 2008 16:06:42 GMT</pubDate>
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								<title>Oracle DB SCN的总结</title>
								<link>http://space.itpub.net/26684/viewspace-200471</link>
								<description><![CDATA[<P>Oracle DB SCN的总结：<BR>v$database有<BR>checkpoint_change#: db ckpt的检查点，在数据库开启时，等于v$datafile的checkpoint#, <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 06 Mar 2008 11:05:53 GMT</pubDate>
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								<title>awk文本处理总结</title>
								<link>http://space.itpub.net/26684/viewspace-198176</link>
								<description><![CDATA[<P>-- 引之：<A href="http://blog.chinaunix.net/u/5591/showart.php?id=481458">http://blog.chinaunix.net/u/5591/showart.php?id=481458</A></P>
<P>awk文本处理总结（入门，中级，高级）<BR>&nbsp;&nbsp;<BR>&nbsp;<BR>awk处理文本总结 - Alex.Wang&nbsp;&nbsp;&nbs...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Sat, 01 Mar 2008 16:03:25 GMT</pubDate>
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								<title>alter index coalesce和alter index rebuild的区别</title>
								<link>http://space.itpub.net/26684/viewspace-197095</link>
								<description><![CDATA[<P>alter index coalesce和alter index rebuild的区别：<BR>alter index coalesce是合并同一branch的leaf block。<BR>而alter index rebuild是重新建立一个indexes，一般需要2倍的index大小的空间。而且需要排序。<BR>以下是证明alter index coalesce的过程：<BR>××××...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 28 Feb 2008 21:23:02 GMT</pubDate>
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								<title>table manage type</title>
								<link>http://space.itpub.net/26684/viewspace-196154</link>
								<description><![CDATA[<P>table在進行了大量的delete后，出現了higtwater的問題。一般的處理方式有以下幾種方式：<BR>可以停應用維護的情況：<BR>1）alter table test_george move;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; alter index i_test_george_idxn rebuild;</P>
<P>2)&nbsp; exp tables= t...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Thu, 28 Feb 2008 15:58:51 GMT</pubDate>
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								<title>optimzer_percent_parallel參數說明</title>
								<link>http://space.itpub.net/26684/viewspace-195906</link>
								<description><![CDATA[<P>optimizer_percent_parallel會影響到SQL的執行計劃，在計算SQL的cost會用到。<BR>在Oracle 8I中該參數默認值為0，當增加sql的parallel， cost沒有變化。但當修改該參數值時為非零值時，cost發生了變化。</P>
<P>$ sqlplus /nolog</P>
<P>SQL*Plus: Release 8.1.7.0.0...]]></description>
								<category>blog</category>
								<author>qiaoruzhi78</author>
								<pubDate>Wed, 27 Feb 2008 13:32:13 GMT</pubDate>
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