﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>博客园-打对了-随笔分类-Oracle</title><link>http://www.cnblogs.com/zyk/category/53621.html</link><description>宇宙和生命从哪里来?又要到哪里去呢?</description><language>zh-cn</language><lastBuildDate>Tue, 20 May 2008 09:53:53 GMT</lastBuildDate><pubDate>Tue, 20 May 2008 09:53:53 GMT</pubDate><ttl>60</ttl><item><title>归档日志充满的问题解决</title><link>http://www.cnblogs.com/zyk/archive/2007/11/01/946270.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 01 Nov 2007 15:02:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/11/01/946270.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/946270.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/11/01/946270.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/946270.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/946270.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在配置流复制环境时，将数据库配置为归档模式后，在执行流配置时卡住了，查日志文件发现是日志文件无法归档，于是手工强制归档，出现了如下错误：SQL&gt;archivelognextORA-...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/11/01/946270.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/946270.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-11-01 23:02 <a href="http://www.cnblogs.com/zyk/archive/2007/11/01/946270.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务　问题解决</title><link>http://www.cnblogs.com/zyk/archive/2007/10/31/944667.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Wed, 31 Oct 2007 09:52:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/10/31/944667.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/944667.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/10/31/944667.html#Feedback</comments><slash:comments>8</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/944667.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/944667.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;&nbsp;&nbsp;近日在配置Oracle10G的流复制环境时，遇到一个问题，关闭数据库（shutdownimmediate）后，通过SQLPlus连接数据库:...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/10/31/944667.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/944667.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-10-31 17:52 <a href="http://www.cnblogs.com/zyk/archive/2007/10/31/944667.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>生成SQL记录集的一些数据</title><link>http://www.cnblogs.com/zyk/archive/2007/08/18/861283.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Sat, 18 Aug 2007 15:31:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/08/18/861283.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/861283.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/08/18/861283.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/861283.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/861283.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 生成1-100的数字：selectrownumfromdualconnectbyrownum&lt;=100生成10-100的数字：selectrownum+(10-1)from...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/08/18/861283.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/861283.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-08-18 23:31 <a href="http://www.cnblogs.com/zyk/archive/2007/08/18/861283.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>导入的数据，删除约束后没有自动删除对应索引，重建约束出错</title><link>http://www.cnblogs.com/zyk/archive/2007/06/14/783435.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 14 Jun 2007 05:24:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/06/14/783435.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/783435.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/06/14/783435.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/783435.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/783435.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 查了资料，有两种情况，一种Oracle10G的一个BUG：3894962，但一直没有发布补丁。Note:292096.1,Note:370633.1这两篇文章有介绍，当导出导入表的时候，如果有主...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/06/14/783435.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/783435.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-06-14 13:24 <a href="http://www.cnblogs.com/zyk/archive/2007/06/14/783435.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>如何取出某一用户的密码，再原封不动的改回去？  </title><link>http://www.cnblogs.com/zyk/archive/2007/06/14/783306.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 14 Jun 2007 03:52:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/06/14/783306.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/783306.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/06/14/783306.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/783306.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/783306.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 下面这种方法在Oracle的SQLReference文档中没有提到,关键字values是一个未公开的特性.实现方法：SQL&gt;connsys/oracleSQL&gt;select...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/06/14/783306.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/783306.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-06-14 11:52 <a href="http://www.cnblogs.com/zyk/archive/2007/06/14/783306.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>几点对专用服务器与共享服务器差异的理解</title><link>http://www.cnblogs.com/zyk/archive/2007/06/05/771570.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 05 Jun 2007 01:24:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/06/05/771570.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/771570.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/06/05/771570.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/771570.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/771570.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 专用服务器一个客户端连接对应一个服务器进程共享服务器多个客户端连接对应一个服务器进程，服务器端存在一个进程调度器来管理。Oracle缺省用的是专用服务器模式，Oracle可以同时支持共...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/06/05/771570.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/771570.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-06-05 09:24 <a href="http://www.cnblogs.com/zyk/archive/2007/06/05/771570.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>不同版本上Oracle的Sys用户授权能力</title><link>http://www.cnblogs.com/zyk/archive/2007/03/30/694315.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Fri, 30 Mar 2007 09:52:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/03/30/694315.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/694315.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/03/30/694315.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/694315.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/694315.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 今天一同事发现在8i下,用sys用户登录,不能将用户A的对象权限直接授予用户B,如下语句会报没有限限的错:GrantSelectOnUserA.Table1toUserB后来,找了一个9...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/03/30/694315.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/694315.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-03-30 17:52 <a href="http://www.cnblogs.com/zyk/archive/2007/03/30/694315.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Oracle 10G重建EM DB Control.</title><link>http://www.cnblogs.com/zyk/archive/2007/02/05/640390.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Mon, 05 Feb 2007 03:05:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2007/02/05/640390.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/640390.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2007/02/05/640390.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/640390.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/640390.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Oracle10GR2重建EMDBControl.如果安装后没有修改过IP地址或机器名字,可以跳过下面1和2两步。1.dropconfigurationfilesandreposito...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2007/02/05/640390.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/640390.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2007-02-05 11:05 <a href="http://www.cnblogs.com/zyk/archive/2007/02/05/640390.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>分析哪些索引适合压缩,以及压缩几个字段</title><link>http://www.cnblogs.com/zyk/archive/2006/11/28/574906.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 28 Nov 2006 03:22:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/28/574906.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/574906.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/28/574906.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/574906.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/574906.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 索引的压缩除了减少存储空间外，同时也减少了IO次数，减少了缓冲区内存占用。Oracle9i在index_stats视图中提供了两列：opt_cmpr_count,opt_cmpr_pctsave，...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/28/574906.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/574906.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-28 11:22 <a href="http://www.cnblogs.com/zyk/archive/2006/11/28/574906.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>对表的pctfree和pctused两个参数进行估算的方法</title><link>http://www.cnblogs.com/zyk/archive/2006/11/23/570058.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 23 Nov 2006 09:11:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/23/570058.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/570058.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/23/570058.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/570058.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/570058.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 对于不同的应用系统，表的pctfree和pctused两个参数有不同的设计原则，以下是根据特定的应用系统进行估算的例子，从中可以掌握基本的估算方法。&nbsp;表的存储参数调整，一般情况，设置为pc...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/23/570058.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/570058.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-23 17:11 <a href="http://www.cnblogs.com/zyk/archive/2006/11/23/570058.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>dbms_stat与analyze的区别</title><link>http://www.cnblogs.com/zyk/archive/2006/11/12/558581.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Sun, 12 Nov 2006 13:49:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/12/558581.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/558581.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/12/558581.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/558581.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/558581.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 自从Oracle8.1.5引入dbms_stats包，Experts们便推荐使用dbms_stats取代analyze。理由如下dbms_stats可以并行分析dbms_stats有自...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/12/558581.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/558581.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-12 21:49 <a href="http://www.cnblogs.com/zyk/archive/2006/11/12/558581.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SESSION_CACHED_CURSORS参数对性能的意义</title><link>http://www.cnblogs.com/zyk/archive/2006/11/11/557713.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Sat, 11 Nov 2006 09:21:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/11/557713.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/557713.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/11/557713.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/557713.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/557713.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: SESSION_CACHED_CURSORS,就是说的是一个session可以缓存多少个cursor，让后续相同的SQL语句不再打开游标,从而避免软解析的过程来提高性能。(绑定变量是解决硬解析的问题)...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/11/557713.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/557713.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-11 17:21 <a href="http://www.cnblogs.com/zyk/archive/2006/11/11/557713.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Select什么时候会产生重作日志</title><link>http://www.cnblogs.com/zyk/archive/2006/11/11/557512.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Sat, 11 Nov 2006 05:11:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/11/557512.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/557512.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/11/557512.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/557512.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/557512.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在进行块清除的时候,如果是一个大事务,就会进行延迟块清除块清除就是删除所修改数据块上与"锁定"有关的信息,即事务信息Oracle在事务相关的提交列表中,记录下已修改的块列表,每个列表记录20个块,...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/11/557512.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/557512.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-11 13:11 <a href="http://www.cnblogs.com/zyk/archive/2006/11/11/557512.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>怎样查看存储过程当前正在被哪些用户使用</title><link>http://www.cnblogs.com/zyk/archive/2006/11/06/552118.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Mon, 06 Nov 2006 10:16:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/11/06/552118.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/552118.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/11/06/552118.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/552118.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/552118.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 表的使用状态可以通过查锁的情况来了解，但是存储过程的使用怎么监控呢？Oracle提供了建立在神秘的X$表基础上的一个特殊视图：DBA_DDL_Locks要使用这个视图需要先运行一个脚本：r...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/11/06/552118.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/552118.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-11-06 18:16 <a href="http://www.cnblogs.com/zyk/archive/2006/11/06/552118.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>如果一个触发器中只有一条Null语句,是否会产生日志?为什么?</title><link>http://www.cnblogs.com/zyk/archive/2006/10/17/531134.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 17 Oct 2006 02:50:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/10/17/531134.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/531134.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/10/17/531134.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/531134.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/531134.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 是否产生日志,以及产生多少日志,应区分:三种不同的触发器(Befor,After,Instead),三种不同的DML操作(Insert,Update,Delete),两类Oracle版本(9i及以下,...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/10/17/531134.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/531134.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-10-17 10:50 <a href="http://www.cnblogs.com/zyk/archive/2006/10/17/531134.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>关于Tom的新书</title><link>http://www.cnblogs.com/zyk/archive/2006/10/17/531123.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 17 Oct 2006 02:43:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/10/17/531123.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/531123.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/10/17/531123.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/531123.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/531123.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 最近在看Tom的新作&lt;Expert.Oracle.Database.Architecture.9i.and.10g.Programming.Techniques.and.Solutions&gt...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/10/17/531123.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/531123.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-10-17 10:43 <a href="http://www.cnblogs.com/zyk/archive/2006/10/17/531123.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>原来这种情况下的全表扫描不是真的全表扫描</title><link>http://www.cnblogs.com/zyk/archive/2006/09/19/508413.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 19 Sep 2006 05:22:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/09/19/508413.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/508413.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/09/19/508413.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/508413.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/508413.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 看到我们的程序中较多的使用类似下面的语句来取得字段类型等信息,一看执行计划,紧张了一下,全表扫描后来通过多次试验才发现,这种全表扫描是假的,它不读数据,所以不耗资源.(注意:第一次执行时,会较...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/09/19/508413.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/508413.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-09-19 13:22 <a href="http://www.cnblogs.com/zyk/archive/2006/09/19/508413.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>授权操作引发存储过程重编译</title><link>http://www.cnblogs.com/zyk/archive/2006/08/11/474001.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Fri, 11 Aug 2006 02:15:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/08/11/474001.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/474001.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/08/11/474001.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/474001.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/474001.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 公司产品中的授权操作将涉及大量的存储过程授权,此操作将会使这些存储过程重编译,如果此时并发会话很多的话,可能正在执行某些存储过程,授权操作就会被卡住,表现为等待时间加长.可能你会觉得奇怪授权怎么会...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/08/11/474001.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/474001.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-08-11 10:15 <a href="http://www.cnblogs.com/zyk/archive/2006/08/11/474001.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>强制刷新Buffer Cache的几种方法</title><link>http://www.cnblogs.com/zyk/archive/2006/07/13/449690.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 13 Jul 2006 03:23:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/07/13/449690.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/449690.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/07/13/449690.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/449690.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/449690.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 很多时候,我们在做一些试验中,需要清空数据缓冲区,以便显示正确的物理读和逻辑读据我所知,有下面三种方法,你知道还有哪些方法吗?(除了重启数据库)1.表空间脱机再联机的方法altertable...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/07/13/449690.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/449690.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-07-13 11:23 <a href="http://www.cnblogs.com/zyk/archive/2006/07/13/449690.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>对latch的一点理解</title><link>http://www.cnblogs.com/zyk/archive/2006/06/30/439593.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Fri, 30 Jun 2006 06:21:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/06/30/439593.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/439593.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/06/30/439593.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/439593.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/439593.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 我们在一些书藉和电子文档对latch的介绍,一般的解释都是翻译过来的,缺乏本地化的理解介绍.轻量级的内存保护机制,栓(闩)锁等,各种解释,让人很难有直观,透彻的理解.我觉得,如果把对表的loc...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/06/30/439593.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/439593.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-06-30 14:21 <a href="http://www.cnblogs.com/zyk/archive/2006/06/30/439593.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>8174上占用CPU过高('CPU used by this session' has high value)</title><link>http://www.cnblogs.com/zyk/archive/2006/06/29/438661.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 29 Jun 2006 06:25:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/06/29/438661.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/438661.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/06/29/438661.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/438661.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/438661.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Oraclev8174在启用了statspack的自动作业后,发现Statspack报告中出现了下面的信息:InstanceActivityStatsforDB:INSIDE&nb...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/06/29/438661.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/438661.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-06-29 14:25 <a href="http://www.cnblogs.com/zyk/archive/2006/06/29/438661.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>在statspack显示完整的SQL</title><link>http://www.cnblogs.com/zyk/archive/2006/06/28/438016.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Wed, 28 Jun 2006 10:31:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/06/28/438016.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/438016.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/06/28/438016.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/438016.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/438016.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 用spreport.sql生成statspack文件时,其中的SQL语句只显示了5行,往往显示不完整,有时又需要完整的SQL来进一步分析SQL的性能问题.以前一直不知道怎么办,今天查资料找到了解决办法...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/06/28/438016.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/438016.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-06-28 18:31 <a href="http://www.cnblogs.com/zyk/archive/2006/06/28/438016.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>使用全文检索的intermedia索引时遇到ORA-03212问题的解决</title><link>http://www.cnblogs.com/zyk/archive/2006/06/07/419918.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Wed, 07 Jun 2006 11:17:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/06/07/419918.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/419918.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/06/07/419918.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/419918.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/419918.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Bug系统中按反馈描述或处理情况的关键字查询,有时会找不到,但明明有这样的记录.后来,查到是因为该搜索使用了Oracle的intermedia索引,该索引需要定期重建和收集,但自动任务失效了.查到...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/06/07/419918.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/419918.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-06-07 19:17 <a href="http://www.cnblogs.com/zyk/archive/2006/06/07/419918.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>位图索引深度探讨</title><link>http://www.cnblogs.com/zyk/archive/2006/05/29/411989.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Mon, 29 May 2006 05:46:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/05/29/411989.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/411989.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/05/29/411989.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/411989.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/411989.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 一.什么是位图索引我们目前大量使用的索引一般主要是B*Tree索引,在索引结构中存储着键值和键值的RowID,并且是一一对应的.而位图索引主要针对大量相同值的列而创建(例如：类别，操作员，部门ID,库...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/05/29/411989.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/411989.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-05-29 13:46 <a href="http://www.cnblogs.com/zyk/archive/2006/05/29/411989.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Oracle8i 函数索引实验</title><link>http://www.cnblogs.com/zyk/archive/2006/04/15/375910.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Sat, 15 Apr 2006 05:57:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/15/375910.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/375910.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/15/375910.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/375910.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/375910.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Oracle自8.1.5版开始支持基于函数的索引,但仅在8i的企业版和个人版中支持,标准版不支持.使用基于函数的索引,可以在某此情况下加快查询速度.下面以一个例子来详细说明.病人姓名要求支持按简码...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/15/375910.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/375910.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-15 13:57 <a href="http://www.cnblogs.com/zyk/archive/2006/04/15/375910.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SQL Trace的使用示例</title><link>http://www.cnblogs.com/zyk/archive/2006/04/13/374430.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 13 Apr 2006 08:54:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/13/374430.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/374430.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/13/374430.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/374430.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/374430.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: SQLTrace的方法有好几种,详细可以参考http://www.eygle.com/case/Use.sql_trace.to.Diagnose.database.htm下面介绍一个基本的详细操作...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/13/374430.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/374430.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-13 16:54 <a href="http://www.cnblogs.com/zyk/archive/2006/04/13/374430.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Wrap加密Oracle 存储过程,函数,包遇到的问题</title><link>http://www.cnblogs.com/zyk/archive/2006/04/07/369564.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Fri, 07 Apr 2006 11:17:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/07/369564.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/369564.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/07/369564.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/369564.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/369564.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: E:\&gt;wrapiname=t1.sqloname=t13.plbkgepop:noerrorframetopoptoforerror1801遇到上面的错误,查资料发现是因...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/07/369564.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/369564.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-07 19:17 <a href="http://www.cnblogs.com/zyk/archive/2006/04/07/369564.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Oracle性能误区--MTS,RAC,分区,并行查询</title><link>http://www.cnblogs.com/zyk/archive/2006/04/06/368355.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Thu, 06 Apr 2006 06:27:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/06/368355.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/368355.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/06/368355.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/368355.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/368355.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 为了提高性能,我们针对Oracle数据库本身提供了的方法或方案进行过不少的偿试主要包括:共享服务器模式(MTS)集群技术(Clustering),RAC&nbsp;分区并行处理(主要是并行查询)...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/06/368355.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/368355.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-06 14:27 <a href="http://www.cnblogs.com/zyk/archive/2006/04/06/368355.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>在Oracle中重编译所有无效的存储过程 </title><link>http://www.cnblogs.com/zyk/archive/2006/04/04/366452.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 04 Apr 2006 04:22:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/04/366452.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/366452.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/04/366452.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/366452.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/366452.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: SQL_PLUS中spoolExecCompProc.sqlselect'alterprocedure'||object_name||'compile;'Fromall_objects...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/04/366452.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/366452.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-04 12:22 <a href="http://www.cnblogs.com/zyk/archive/2006/04/04/366452.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>全表扫描比索引更慢吗?物理访问比逻辑读更慢吗?</title><link>http://www.cnblogs.com/zyk/archive/2006/04/04/366412.html</link><dc:creator>知道得越多知道的越少</dc:creator><author>知道得越多知道的越少</author><pubDate>Tue, 04 Apr 2006 03:47:00 GMT</pubDate><guid>http://www.cnblogs.com/zyk/archive/2006/04/04/366412.html</guid><wfw:comment>http://www.cnblogs.com/zyk/comments/366412.html</wfw:comment><comments>http://www.cnblogs.com/zyk/archive/2006/04/04/366412.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/zyk/comments/commentRss/366412.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/zyk/services/trackbacks/366412.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 如果对Oracle不了解,你可能深信别人说的应杜绝全表扫描和NotIN的谎言如果真是这样,Oracle就根本不应该让这种问题继续存在于产品中.今天正在好遇到一个应用调整,以前曾担心过全表扫描...&nbsp;&nbsp;<a href='http://www.cnblogs.com/zyk/archive/2006/04/04/366412.html'>阅读全文</a><img src ="http://www.cnblogs.com/zyk/aggbug/366412.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://zyk.cnblogs.com/" target="_blank">知道得越多知道的越少</a> 2006-04-04 11:47 <a href="http://www.cnblogs.com/zyk/archive/2006/04/04/366412.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>