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How to backup the Oracle Control File?

How to backup the Oracle Control File?

Backup the Oracle Control File

user_tab_modifications

user_tab_modifications

USER_TAB_MODIFICATIONS describes modifications to all tables owned by the current user that have been modified since the last time statistics were gathered on the USER_TAB_MODIFICATIONS describes modifications to all tables owned by the current user that have been modified since the last time statistics were gat......

Linux下防止被PING

Linux下防止被PING

vi /proc/sys/net/ipv4/icmp_echo_ignore_all 将0改成1这样别人就不能PING自己了,此文件中只有一个0默认情况下。 vi /proc/sys/net/ipv4/ip_default_ttl 修改自己的TTL值,就可以扰乱HACKER判断你的操作系统类型。 下载本文的PDF版本, 方便离线阅读转载

史上最伟大的12款软件排名 DB2名列第二

史上最伟大的12款软件排名 DB2名列第二

美国《信息周刊》日前刊文评出了有史以来最伟大的12款软件。结果,Unix操作系统脱颖而出,排名首位。   据榜单显示,继Unix之后,Java语言排名第五;苹果Macintosh系统位居第八,而微软的Excel电子表格和Google搜索分别列居第九和第十一位。   有趣的是,1988年11月2日爆发的Morris蠕虫也榜上有名。当时,几天之内就有6000多台互联网服......

Start from now on...

Start from now on…

Yeah,as the title described.After several hours configuring(though it is simple,i am an newbie *^__^*  ),I established this site.And now i will log all my notes about exploring and studying Oracle,to share it with all my deer audience. By the way,  thanks to my friend Jia guoqing,without his generous he......

Hello world!

Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start blogging! 下载本文的PDF版本, 方便离线阅读转载