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			    <title>yangtingkun的个人空间</title>
			    <link>http://space.itpub.net/?uid-4227</link>
			    <description>我申请这个blog是为了督促自己，把自己平时的一些想法和思考结果保留下来。

本博客所有内容均为原创，如有转载请注明作者和出处</description>
			    <copyright>Copyright(C) yangtingkun的个人空间</copyright>
			    <generator>SupeSite/X-Space</generator>
			    <lastBuildDate>Sat, 17 May 2008 00:19:48 GMT</lastBuildDate><item>
								<title>ORA-7445(qmurdBufOradbOpen)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-273794</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>这个<SPAN lang=EN-US>bug</SPAN>比较奇怪，似乎是由于其他错误而导致了<SPAN lang=EN-US>7445</SPAN>错误出现。<SPAN lang=EN-US><?xml:namespace pre...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Fri, 16 May 2008 22:56:35 GMT</pubDate>
							</item>
							<item>
								<title>ORA-600(rpidrv-3)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-269250</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>一个没有什么危害的小<SPAN lang=EN-US>bug</SPAN>。当建立视图时，访问一张不存在的表时，可能引发这个错误。<SPAN lang=EN-US><?xml:namespace prefi...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Thu, 15 May 2008 23:53:22 GMT</pubDate>
							</item>
							<item>
								<title>ORA-600(ttcgcshnd-1)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-269156</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>一个很老的<SPAN lang=EN-US>bug</SPAN>，现在估计很难碰到，简单记录一下。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsof...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Wed, 14 May 2008 23:52:03 GMT</pubDate>
							</item>
							<item>
								<title>ORA-600(qmxiUnpPacked2)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-265371</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>从一个数据库的<SPAN lang=EN-US>alert</SPAN>文件中发现了这个错误，应该是数据库升级过程留下的，简单记录一下错误信息。<SPAN lang=EN-US><?xml:nam...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Tue, 13 May 2008 21:06:30 GMT</pubDate>
							</item>
							<item>
								<title>有趣的数值溢出（二）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-265223</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在论坛看到一个有趣的帖子，是关于<SPAN lang=EN-US>ORACLE</SPAN>的<SPAN lang=EN-US>NUMBER</SPAN>类型溢出的。<SPAN lang=EN-US><?xml:namespace pr...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Mon, 12 May 2008 23:58:30 GMT</pubDate>
							</item>
							<item>
								<title>有趣的数值溢出（一）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-265079</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在论坛看到一个有趣的帖子，是关于<SPAN lang=EN-US>ORACLE</SPAN>的<SPAN lang=EN-US>NUMBER</SPAN>类型溢出的。<SPAN lang=EN-US><?xml:namespace pr...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sun, 11 May 2008 23:58:26 GMT</pubDate>
							</item>
							<item>
								<title>获取导致导入失败的数据（三）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-264934</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>前不久从一个数据库执行导出操作时报错，通过直接路径方式跳过...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sat, 10 May 2008 23:54:33 GMT</pubDate>
							</item>
							<item>
								<title>获取导致导入失败的数据（二）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-263746</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>前不久从一个数据库执行导出操作时报错，通过直接路径方式跳过...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Fri, 09 May 2008 22:53:42 GMT</pubDate>
							</item>
							<item>
								<title>BEFORE触发器修正数据错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-263399</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>昨天尝试使用<SPAN lang=EN-US>BEFORE</SPAN>触发器记录或修正导入过程中出现的数据类型超长的错误，结果没成功，这里研究一下这个问题。<SPAN lang=EN...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Thu, 08 May 2008 23:43:32 GMT</pubDate>
							</item>
							<item>
								<title>获取导致导入失败的数据</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-263087</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>前不久从一个数据库执行导出操作时报错，通过直接路径方式跳过...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Wed, 07 May 2008 21:38:10 GMT</pubDate>
							</item>
							<item>
								<title>为监听设置密码</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-261620</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>数据库的帐号需要密码进行保护，监听同样需要设置密码进行保护...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Tue, 06 May 2008 23:25:10 GMT</pubDate>
							</item>
							<item>
								<title>物化视图日志的维护</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-260459</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>物化视图日志经常会由于物化视图长时间没有刷新，或者基表的一...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Mon, 05 May 2008 23:57:57 GMT</pubDate>
							</item>
							<item>
								<title>修改字段数据类型的方法</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-260077</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><FONT size=3>在日常维护的过程中可能碰到这样的问题，需要修改表的字段类型。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sun, 04 May 2008 21:44:44 GMT</pubDate>
							</item>
							<item>
								<title>NBU备份出现19511错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-258729</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>由于前一段时间带库出现硬件异常，在调整测试过程中，对<SPAN lang=EN-US>NBU</SPAN>中一些设置进行了更改，导致一台数据库无法正常备份。<SPAN lang=E...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sat, 03 May 2008 20:53:37 GMT</pubDate>
							</item>
							<item>
								<title>一次网络问题的诊断</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-257548</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>家里一直用<SPAN lang=EN-US>ADSL</SPAN>，不过随着电脑数量的增加，为了解决日益增长的上网需求，搞了一个无线路由器。我对网络方面一直是入门水平，还...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Fri, 02 May 2008 23:11:37 GMT</pubDate>
							</item>
							<item>
								<title>9i上JOB停止自动运行</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-257360</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>这是第三次处理这个<SPAN lang=EN-US>bug</SPAN>，还是简单记录一下吧。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-co...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Thu, 01 May 2008 23:45:34 GMT</pubDate>
							</item>
							<item>
								<title>ORA-2049错误解决过程</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-257186</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>今天协助其他部门解决了这个错误。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPA...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Wed, 30 Apr 2008 23:37:11 GMT</pubDate>
							</item>
							<item>
								<title>EXP在9R2上导出时报错ORA-3113和ORA-24324（二）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-256925</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>今天同事在导出的时候碰到了错误，<SPAN lang=EN-US>EXP</SPAN>的过程中出现了<SPAN lang=EN-US>ORA-3113</SPAN>和<SPAN lang=EN-US>ORA-24324</SPAN>错...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Tue, 29 Apr 2008 21:22:12 GMT</pubDate>
							</item>
							<item>
								<title>不使用日期函数实现ADD_MONTHS函数功能</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-255480</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>看到开发区的<SPAN lang=EN-US>nyfor</SPAN>版主出了一道题，用<SPAN lang=EN-US>PL/SQL</SPAN>实现<SPAN lang=EN-US>Oracle</SPAN>的<SPAN lang=EN-US...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Mon, 28 Apr 2008 23:56:20 GMT</pubDate>
							</item>
							<item>
								<title>ORA-7445(krdsodrf)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-255158</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>协助别人解决问题时，在一个<SPAN lang=EN-US>9201</SPAN>的数据库服务器上的<SPAN lang=EN-US>alert</SPAN>文件中发现了这个错误。<SPAN lang=EN-US><...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sun, 27 Apr 2008 23:58:23 GMT</pubDate>
							</item>
							<item>
								<title>EXP在9R2上导出时报错ORA-3113和ORA-24324</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-254780</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>今天同事在导出的时候碰到了错误，<SPAN lang=EN-US>EXP</SPAN>的过程中出现了<SPAN lang=EN-US>ORA-3113</SPAN>和<SPAN lang=EN-US>ORA-24324</SPAN>错...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sat, 26 Apr 2008 23:54:11 GMT</pubDate>
							</item>
							<item>
								<title>ORA-600(17285)错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-254385</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>今天在后台<SPAN lang=EN-US>alert</SPAN>文件中发现了一个<SPAN lang=EN-US>ORA-600</SPAN>错误，这个错误是由于取消当前操作引发的。<SPAN lang=EN-U...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Fri, 25 Apr 2008 21:47:05 GMT</pubDate>
							</item>
							<item>
								<title>FIRST_ROWS优化模式访问远端表可能导致错误结果（二）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-251883</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在<SPAN lang=EN-US>Oracle</SPAN>的<SPAN lang=EN-US>9204</SPAN>上碰到了这个问题，<SPAN lang=EN-US>FIRST_ROWS</SPAN>优化模式下，通过数据库链访问...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Thu, 24 Apr 2008 23:59:18 GMT</pubDate>
							</item>
							<item>
								<title>FIRST_ROWS优化模式访问远端表可能导致错误结果（一）</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-249072</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在<SPAN lang=EN-US>Oracle</SPAN>的<SPAN lang=EN-US>9204</SPAN>上碰到了这个问题，<SPAN lang=EN-US>FIRST_ROWS</SPAN>优化模式下，通过数据库链访问...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Wed, 23 Apr 2008 13:43:58 GMT</pubDate>
							</item>
							<item>
								<title>FIRST_ROWS优化模式语言排序模糊匹配问题</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-246369</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>标题比较长，不过只有这样才能把问题描述清楚。</FONT></SPAN...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Tue, 22 Apr 2008 00:00:48 GMT</pubDate>
							</item>
							<item>
								<title>在Oracle中进行大小写不敏感的查询</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-246368</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在<SPAN lang=EN-US>Oracle</SPAN>中，命令和对象名称都是大小写不敏感的，因为<SPAN lang=EN-US>Oracle</SPAN>在处理语句时，将所有的名称和命令全部转...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Mon, 21 Apr 2008 23:52:58 GMT</pubDate>
							</item>
							<item>
								<title>一次NBU备份错误诊断</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-246129</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在对系统进行例行检查的时候，发现日常备份失败。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Mon, 21 Apr 2008 00:53:15 GMT</pubDate>
							</item>
							<item>
								<title>BITMAP索引异常增大</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-244198</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在一个数据库中发现了一个异常增大的对象，经检查改对象为<SPAN lang=EN-US>BITMAP</SPAN>索引。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "u...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Sat, 19 Apr 2008 23:00:30 GMT</pubDate>
							</item>
							<item>
								<title>ORA-26500错误</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-243875</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体"><FONT size=3>在测试环境中发现了这个错误，根据错误信息初步判断，和高级复制环境有关。<SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Fri, 18 Apr 2008 14:13:16 GMT</pubDate>
							</item>
							<item>
								<title>物化视图删除的顺序</title>
								<link>http://space.itpub.net/?uid-4227-action-viewspace-itemid-242683</link>
								<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><FONT size=3>以前写过一篇文章，介绍删除基于数据库链的物化视图时，要确保数据库链的存在，否则会导致物化视图注册信息无法清除。详细...]]></description>
								<category>blog</category>
								<author>yangtingkun</author>
								<pubDate>Thu, 17 Apr 2008 23:37:42 GMT</pubDate>
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