Friend Life for Oracle http://space.itpub.net/12361284 过着简单,真实的生活，喜欢收藏变形金刚(TFE,G1,SL系列)，研究金融股市，KOF98，篮球，学习研究Oracle技术,我并不是一个全职的Oracle DBA，但是对于Oracle技术的热爱和研究，是一个不争的事实，愿意结交广大Oracle技术爱好者！MSN:oracle_kof_tf@hotmail.com Copyright(C) Friend Life for Oracle SupeSite/X-Space Sat, 11 Oct 2008 06:42:58 GMT Steps in the Emergency Performance Method http://space.itpub.net/12361284/viewspace-468333 The Emergency Performance Method is as follows:

1. Survey the performance problem and collect the symptoms of the performance problem. This process should include the following:
  User feedback on how the system is underperforming. I...]]> blog oracle_ace Wed, 08 Oct 2008 10:30:15 GMT About Redo file size http://space.itpub.net/12361284/viewspace-466042 The size of the redo log files can influence performance, because the behavior. of the DBWR and ARCH process depend on the redo log sizes. Generally, larger
redo log files provide better performance. Undersized log files increase checkpoint activ...]]> blog oracle_ace Sun, 28 Sep 2008 14:53:06 GMT Oracle Performance Top Issue list http://space.itpub.net/12361284/viewspace-465925
1. Bad Connection Management
首先需要在各个大家都知道在很多unix or linux里面都有 在登录前显示的一些警告和登录信息
例如issue之类的文件。
但是在IBM的aix的系统里面并没有这个文件。IBM缺省有的文件是在你telnet验证后显示的信息在/etc/motd 文件中。 blog oracle_ace Wed, 25 Jun 2008 17:03:46 GMT Tuxedo 应用的部署步骤 http://space.itpub.net/12361284/viewspace-349400 一般分为三步:

1.设置Environment Variables($TUXDIR/TUX.ENV)
例如:
TUXDIR=/home/oracle/tux91
PATH=$TUXDIR/bin:$PATH
TUXCONFIG=指定binary file(TUXCONFIG)的位置
LD_LIBRARY_PATH=$TUXDIR/lib:$LD_LIBRARY_PAT...]]> blog oracle_ace Mon, 16 Jun 2008 20:46:46 GMT Tuxedo的配置文件介绍 http://space.itpub.net/12361284/viewspace-349399 Tuxedo的配置文件分为两种:

UBBCONFIG 文本配置文件
It defines the parameter s for Tuxedo to startup an application

UBBCONFIG配置文件最初是由Tuxedo Developer创建的. Tuxedo Administrator可以...]]> blog oracle_ace Mon, 16 Jun 2008 20:42:57 GMT 安装Tuxedo 9.1 http://space.itpub.net/12361284/viewspace-349382       最近开始要陆续总结Tuxedo的一些安装和使用的过程和技巧, Tuxedo是一个老牌的中间件产品, 由bea公司出版, 广泛应用于银行,电信等大型的企业级应用. 因此掌握Tuxedo对于大家深入了解中间件还是非常有帮助的. 其实IT应用行业有三大养老技...]]> blog oracle_ace Mon, 16 Jun 2008 17:22:40 GMT 带有LOB字段的表迁移 http://space.itpub.net/12361284/viewspace-345706 blog oracle_ace Fri, 13 Jun 2008 17:11:27 GMT LOB字段在Oracle中的存放方式。 http://space.itpub.net/12361284/viewspace-345695 blog oracle_ace Fri, 13 Jun 2008 16:20:31 GMT 2008 6 13: I'm very much behind Michael Foot on this http://space.itpub.net/12361284/viewspace-345694 blog oracle_ace Fri, 13 Jun 2008 16:19:40 GMT 何时该用CHAR，何时该用varchar2？ http://space.itpub.net/12361284/viewspace-343354       VARCHAR2比CHAR节省空间，但是在速度效率上比CHAR会稍差一些，既然要想获得效率，就必须牺牲一定的空间，这也就是我们在数据库设计上常说的‘...]]> blog oracle_ace Wed, 11 Jun 2008 11:01:57 GMT 2008 5 27: I could hardly keep from laughing. http://space.itpub.net/12361284/viewspace-312640        b....]]> blog oracle_ace Tue, 27 May 2008 14:25:44 GMT 2008 5 26: The heat made me feel i wasn't up to more http://space.itpub.net/12361284/viewspace-310308 blog oracle_ace Mon, 26 May 2008 11:08:25 GMT 无条件为你-去年的夏天...... http://space.itpub.net/12361284/viewspace-310291 blog oracle_ace Mon, 26 May 2008 10:25:42 GMT 2008 5 23 :This is a piece of work I can be proud of. http://space.itpub.net/12361284/viewspace-293584 blog oracle_ace Fri, 23 May 2008 11:11:21 GMT Disable the automatic funciton of collecting statistics in 10G http://space.itpub.net/12361284/viewspace-293581 blog oracle_ace Fri, 23 May 2008 11:04:34 GMT 2008 5 20: The program is inadequately financed. http://space.itpub.net/12361284/viewspace-281082 blog oracle_ace Fri, 16 May 2008 14:22:40 GMT