Thu, 10 Jul 2008 11:38:00 GMThttp://item.feedsky.com/~csdn.net/wonder4/~1055354/92243274/1055354/1/item.htmlcomments/2633145.aspx0comments/commentRss/2633145.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2633145使用dbms_debug包调试存储过程<img src ="aggbug/2633145.aspx" width = "1" height = "1" />Thu, 10 Jul 2008 19:38:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/07/10/2633145.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/07/10/2633145.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/07/10/2633145.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92243274/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242840/1055354/1/item.htmlcomments/2611535.aspx0comments/commentRss/2611535.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2611535最近的安排<img src ="aggbug/2611535.aspx" width = "1" height = "1" />Fri, 04 Jul 2008 22:43:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/07/04/2611535.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/07/04/2611535.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/07/04/2611535.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242840/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242841/1055354/1/item.htmlcomments/2608107.aspx0comments/commentRss/2608107.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2608107关于XA<img src ="aggbug/2608107.aspx" width = "1" height = "1" />Thu, 03 Jul 2008 21:46:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/07/03/2608107.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/07/03/2608107.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/07/03/2608107.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242841/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242842/1055354/1/item.htmlcomments/2600762.aspx0comments/commentRss/2600762.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2600762Swing组件的updateUI()和repaint()<img src ="aggbug/2600762.aspx" width = "1" height = "1" />Tue, 01 Jul 2008 17:36:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/07/01/2600762.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/07/01/2600762.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/07/01/2600762.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242842/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242843/1055354/1/item.htmlcomments/2581366.aspx0comments/commentRss/2581366.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2581366使用JDBC读取和插入XMLTYPE类型的数据库字段<img src ="aggbug/2581366.aspx" width = "1" height = "1" />Tue, 24 Jun 2008 19:25:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/24/2581366.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/24/2581366.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/24/2581366.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242843/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242844/1055354/1/item.htmlcomments/2554666.aspx0comments/commentRss/2554666.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2554666关于bitmap conversion to ROWID<img src ="aggbug/2554666.aspx" width = "1" height = "1" />Tue, 17 Jun 2008 05:23:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/16/2554666.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/16/2554666.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/16/2554666.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242844/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242845/1055354/1/item.htmlcomments/2507585.aspx0comments/commentRss/2507585.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2507585final 关键字常常被误用 － 声明类和方法时使用过度，而声明实例字段时却使用不足。本月，Java 实践者 Brian Goetz 探究了一些有关有效使用 final 的准则。 <img src ="aggbug/2507585.aspx" width = "1" height = "1" />Tue, 03 Jun 2008 22:29:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/03/2507585.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/03/2507585.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/03/2507585.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242845/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242846/1055354/1/item.htmlcomments/2502349.aspx0comments/commentRss/2502349.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2502349序列化和多类装载器环境下的单例<img src ="aggbug/2502349.aspx" width = "1" height = "1" />Mon, 02 Jun 2008 18:33:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502349.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502349.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502349.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242846/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242847/1055354/1/item.htmlcomments/2502342.aspx0comments/commentRss/2502342.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2502342多线程环境下单例模式的演化<img src ="aggbug/2502342.aspx" width = "1" height = "1" />Mon, 02 Jun 2008 18:31:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502342.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502342.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502342.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242847/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242848/1055354/1/item.htmlcomments/2502300.aspx0comments/commentRss/2502300.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2502300单例模式是最简单的设计模式之一，但是对于Java的开发者来说，它却有很多缺陷。在本月的专栏中，David Geary探讨了单例模式以及在面对多线程（multithreading)、类装载器（classloaders）和序列化(serialization)时如何处理这些缺陷。 <img src ="aggbug/2502300.aspx" width = "1" height = "1" />Mon, 02 Jun 2008 18:24:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502300.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502300.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/06/02/2502300.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242848/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242849/1055354/1/item.htmlcomments/2441927.aspx0comments/commentRss/2441927.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2441927OPTIMIZER_INDEX_COST_ADJ与成本计算作者：eygle | 【版权声明：转载时请务必以超链接形式标明文章原始出处和作者信息及本声明】链接：http://www.eygle.com/archives/2004/06/optimizer_index_cost_adj.html 站内相关文章|Related Articles Oracle Peeking绑定变量的控制如何通过DB link进行远程过程或函数调用 UTL_INADDR包获取ip地址的内部原理 Tom的法则:当你开发数据库软件时... 使用外部表分析eygle.com的网站访问日志 OPTIMIZER_INDEX_COST_ADJ这个初始化参数代表一个百分比,取值范围在1到10000之间.该参数表示索引扫描和全表扫描成本的比较。缺省值100表示索引扫描成本等价转换与全表扫描成本。这些参数对于CBO的执行具有重大影响，其缺省值对于数据库来说通常需要调整。一般来说对于OPTIMIZER_INDEX_CACHING可以设置为90左右对于大多数OLTP系统，OPTIMIZER_INDEX_COST_ADJ可以设置在1<img src ="aggbug/2441927.aspx" width = "1" height = "1" />Tue, 13 May 2008 23:44:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/05/13/2441927.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/05/13/2441927.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/05/13/2441927.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242849/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242850/1055354/1/item.htmlcomments/2385418.aspx0comments/commentRss/2385418.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2385418终于可以回去了，这次出差真是不爽。<img src ="aggbug/2385418.aspx" width = "1" height = "1" />Mon, 05 May 2008 03:21:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385418.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385418.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385418.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242850/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242851/1055354/1/item.htmlcomments/2385360.aspx0comments/commentRss/2385360.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2385360&lt;p&gt;突然想不起来这个视图了，找了一下，加强记忆。&lt;/p&gt;&lt;p&gt;SESSION_MAX:实例允许的并发最大session数量&lt;/p&gt;&lt;p&gt;SESSION_WARNING:当前实例警告的并发session数量&lt;/p&gt;&lt;p&gt;SESSION_CURRENT:实例当前并发session数&lt;/p&gt;&lt;p&gt;SESSION_HIGHWATER:自从实例启动以来最高的session数&lt;/p&gt;&lt;p&gt;USERS_MAX:数据库允许的最大用户数量&lt;/p&gt;&lt;p&gt;CPU_COUNT_CURRENT:系统中当前逻辑CPU或处理器数量&lt;/p&gt;&lt;p&gt;CPU_CORE_COUNT_CURRENT:当前CPU内核数量，包括多核CPU&lt;/p&gt;&lt;p&gt;CPU_SOCKET_COUNT_CURRENT:当前CPU插槽数量&lt;/p&gt;&lt;p&gt;CPU_COUNT_HIGHWATER:实例启动以来使用的最大的CPU数量<img src ="aggbug/2385360.aspx" width = "1" height = "1" />Mon, 05 May 2008 03:17:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385360.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385360.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/05/04/2385360.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242851/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242852/1055354/1/item.htmlcomments/2328608.aspx0comments/commentRss/2328608.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2328608<p>一段时间没来，blog升级了？说实话，我不觉得这个好看。</p><p>最近这段时间真的很郁闷。。。</p><img src ="aggbug/2328608.aspx" width = "1" height = "1" />Sat, 26 Apr 2008 02:28:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/04/25/2328608.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/04/25/2328608.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/04/25/2328608.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242852/1055354http://item.feedsky.com/~csdn.net/wonder4/~1055354/92242853/1055354/1/item.htmlcomments/2305845.aspx0comments/commentRss/2305845.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2305845google比百度搜索能力强<img src ="aggbug/2305845.aspx" width = "1" height = "1" />Sat, 19 Apr 2008 06:19:00 +0800wonderhttp://blog.csdn.net/wonder4/archive/2008/04/18/2305845.aspx#Feedbackhttp://blog.csdn.net/wonder4/archive/2008/04/18/2305845.aspxwonderhttp://blog.csdn.net/wonder4/archive/2008/04/18/2305845.aspxhttp://blog.csdn.net/wonder4/rss.aspxcsdn.net/wonder4/~1055354/92242853/1055354