Comments for OS与Oracle http://www.os2ora.com 专注于现实世界Oracle数据库的高性能，高可扩展性与新一代数据库Exadata架构 Tue, 23 Feb 2010 02:28:14 -0800 http://wordpress.org/?v=2.8 hourly 1 Comment on 如何用SQL返回两个日期之间的所有连续日期 by giser http://www.os2ora.com/how-to-return-continuous-dates-between-two-dates/comment-page-1/#comment-278 giser Tue, 23 Feb 2010 02:28:14 +0000 http://www.os2ora.com/%e5%a6%82%e4%bd%95%e7%94%a8sql%e8%bf%94%e5%9b%9e%e4%b8%a4%e4%b8%aa%e6%97%a5%e6%9c%9f%e4%b9%8b%e9%97%b4%e7%9a%84%e6%89%80%e6%9c%89%e8%bf%9e%e7%bb%ad%e6%97%a5%e6%9c%9f/#comment-278 还有一个问题，connect BY不能超过100层啊，我用的是92 还有一个问题，connect BY不能超过100层啊，我用的是92

]]> Comment on 如何用SQL返回两个日期之间的所有连续日期 by giser http://www.os2ora.com/how-to-return-continuous-dates-between-two-dates/comment-page-1/#comment-276 giser Tue, 23 Feb 2010 01:33:19 +0000 http://www.os2ora.com/%e5%a6%82%e4%bd%95%e7%94%a8sql%e8%bf%94%e5%9b%9e%e4%b8%a4%e4%b8%aa%e6%97%a5%e6%9c%9f%e4%b9%8b%e9%97%b4%e7%9a%84%e6%89%80%e6%9c%89%e8%bf%9e%e7%bb%ad%e6%97%a5%e6%9c%9f/#comment-276 你好，请问为什么 SELECT to_char((to_date('20090202', 'yyyyMMdd') + level - 1), 'yyyyMMdd') day FROM dual connect BY to_date('20090202', 'yyyyMMdd') + level - 1 <= to_date('20090102', 'yyyyMMdd'); 会返回一条记录呢?应该是一条都不返回啊 你好，请问为什么
SELECT to_char((to_date(’20090202′, ‘yyyyMMdd’) + level – 1), ‘yyyyMMdd’) day
FROM dual
connect BY to_date(’20090202′, ‘yyyyMMdd’) + level – 1 <=
to_date('20090102', 'yyyyMMdd');
会返回一条记录呢?应该是一条都不返回啊

]]> Comment on 2010展望 by ruijh http://www.os2ora.com/2010-outlook/comment-page-1/#comment-242 ruijh Fri, 05 Feb 2010 01:47:39 +0000 http://www.os2ora.com/2010-outlook/#comment-242 着实不错 着实不错

]]> Comment on 如何分析AWR (0) by 袁锡潮 http://www.os2ora.com/how-to-analyze-awr-report-0/comment-page-1/#comment-234 袁锡潮 Wed, 03 Feb 2010 07:05:54 +0000 http://www.os2ora.com/how-to-analyze-awr-report-0/#comment-234 先谢谢你! 先谢谢你!

]]> Comment on Linux操作系统资源监控工具重点推荐 — collectl by 石头狗 http://www.os2ora.com/linux-performance-monitoring-tool-recommend-collectl/comment-page-1/#comment-221 石头狗 Fri, 29 Jan 2010 07:39:51 +0000 http://www.os2ora.com/linux-performance-monitoring-tool-recommend-collectl/#comment-221 good，搞一个学习学习 good，搞一个学习学习

]]> Comment on 利用SQL Monitor Report对SQL进行诊断与调优 by eygle http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/comment-page-1/#comment-214 eygle Mon, 25 Jan 2010 03:24:23 +0000 http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/#comment-214 学习，OEM的展现是越来越漂亮了。 学习，OEM的展现是越来越漂亮了。

]]> Comment on 利用SQL Monitor Report对SQL进行诊断与调优 by Corey http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/comment-page-1/#comment-213 Corey Fri, 22 Jan 2010 15:20:32 +0000 http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/#comment-213 挺有用 挺有用

]]> Comment on 利用SQL Monitor Report对SQL进行诊断与调优 by Kaya http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/comment-page-1/#comment-212 Kaya Fri, 22 Jan 2010 11:35:59 +0000 http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/#comment-212 Glad to hear that and welcome to give your comments. By chance found your website in the subscription source of cnoug.net :-) Glad to hear that and welcome to give your comments.
By chance found your website in the subscription source of cnoug.net :-)

]]> Comment on 利用SQL Monitor Report对SQL进行诊断与调优 by 木匠Charlie http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/comment-page-1/#comment-210 木匠Charlie Thu, 21 Jan 2010 19:19:13 +0000 http://www.os2ora.com/use-sql-monitor-report-to-tune-and-diagnose-sql/#comment-210 精彩! 期待下回分析Hash Join Buffered与Hash Join的区别和控制. 精彩! 期待下回分析Hash Join Buffered与Hash Join的区别和控制.

]]> Comment on 如何分析AWR (2) by Kaya http://www.os2ora.com/how-to-analyze-awr-report-2/comment-page-1/#comment-168 Kaya Tue, 29 Dec 2009 07:35:19 +0000 http://www.os2ora.com/how-to-analyze-awr-report-2/#comment-168 看来我的笔误不少，重新修订了一下，CPU Time应该是DB Time，在这里没有CPU Time这种提法. 看来我的笔误不少，重新修订了一下，CPU Time应该是DB Time，在这里没有CPU Time这种提法.

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