Oracle AWR报告及统计数据之DB Time说明
转自:http://www.eygle.com/digest/2009/02/awr_db_time.html在Oracle Database 10g中引入了DB time指标,其实这并不算是新概念。先摘录一些官方的说明(Oracle Database Performance Tuning Guide 10g Release 2...
监控系统使用情况shell脚本
#!/bin/shDATE=`date +"%Y-%m-%d %T"`DATE1=`date +"%Y-%m-%d"`TIME=`date +"%T"`############CPU###############cpu=`iostat -c 2 2 |grep -v Linux | grep -v %user | grep -v '^$' | awk '{print $1+$2+$3+...
一段shell 脚本
/bin/bashconffile=/usr/local/sbin/cvsback.conflogfile=/usr/local/sbin/cvsback.logtmppath=/tmpsrcok=1today=`date +%Y%m%d`for item in `cat $conffile |grep -v ^#|sed "/^$/d"`do# echo $i...
mysql & oracle savepoint 使用方法
oracle savepoint:beginsavepoint a;insert into ages values(1,'age');insert into ages values(1,'age');insert into ages values(1,'age');insert into ages values(1,'age11111111111111111111111111');exceptio...
oracle 监控脚本
promptprompt ---------------- database information ----------------set wrap offset linesize 100column name format a10column log_mode format a16column open_mode format a15column remote_archive format a...
mysql各个版本下载地址
http://hi.baidu.com/keepzeal/blog/item/3916a27ba692c7f20bd18741.html/cmtid/28707fcaceafc14cf21fe797http://ftp.superuser.co.kr/pub/mysql/
oracle server ,oracle instance 官方定义
见附件
在JBOSS中使用mysql连接池
转自 网络连接池配置:从${JBOSS_HOME}/docs/examples/jca目录下把mysql-ds.xml拷贝到${JBOSS_HOME}/server/default/deploy下,做如下少许修改<?xml version="1.0" encoding="UTF-8"?><!-- $Id: mysql-ds.xml 63175 ...
linux vmstat输出方法解析
转自:http://www.jb51.net/os/RedHat/2161.htmlVmstat procs ———–memory———- —swap– —–io—- –system– —-cpu—- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 100152 2436 97200 289...
java-Statement、PreparedStatement、PreparedStatement + 批处理 的区别
转自 :http://hi.baidu.com/haifengjava/blog/item/544723d7977999d4a144df86.html为了区分 “Statement、PreparedStatement、PreparedStatement + 批处理” 这三者之间的效率,下面的示例执行过程都是在数据库表t1...
MySQL参数说明
原文地址:http://sunsite.mff.cuni.cz/MIRRORS/ftp.mysql.com/doc/en/SHOW_VARIABLES.html1. back_log指定MySQL可能的连接数量。当MySQL主线程在很短的时间内得到非常多的连接请求,该参数就起作用,之后主线程花...
mysql 5.0.41 mysqld 参数大全
./mysqld Ver 5.0.41-log for pc-linux-gnu on i686 (MySQL Community Server (GPL))Copyright (C) 2000 MySQL AB, by Monty and othersThis software comes with ABSOLUTELY NO WARRANTY. This is free softw...
nysql 5.0.22 mysqld 参数大全
_mysqld Ver 5.0.22-community for Win32 on ia32 (MySQL Community Edition (GPL))Copyright (C) 2000 MySQL AB, by Monty and othersThis software comes with ABSOLUTELY NO WARRANTY. This is free softwa...
mysqldump 命令帮助大全
mysqldump Ver 10.10 Distrib 5.0.22, for Win32 (ia32)By Igor Romanenko, Monty, Jani & SinisaThis software comes with ABSOLUTELY NO WARRANTY. This is free software,and you are welcome to modify an...
mysql 命令帮助大全
mysql Ver 14.12 Distrib 5.0.22, for Win32 (ia32)Copyright (C) 2002 MySQL ABThis software comes with ABSOLUTELY NO WARRANTY. This is free software,and you are welcome to modify and redistribute i...
怎样更改主机名
本文转自 :http://bbs.chinaunix.net/viewthread.php?tid=485299怎样更改主机名第一步:#hostname oratest 第二步:修改/etc/sysconfig/network中的hostname第三步:修改/etc/hosts文件...
Linux下通过VNC安装Oracle
本文转自:http://www.linuxeden.com/html/database/20060701/24165.html TurboMail--全功能电子邮件服务器以前写过一篇:在Solaris下安装VNC 远程安装Oracle,有朋友说在Linux下安装有问题.今天碰巧需要,在Linux上安...
Linux上JDK的 安装和卸载 详细 (转)
安装 1. 去http://java.sun.com/j2se/1.4.2/download.html 下载一个Linux Platform的JDK,建议下载RPM自解压格式的(RPM in self-extracting file,j2sdk-1_4_2_06-linux-i586-rpm.b...
一起参与开源.共同打造海派开源潮流社
一起参与开源.共同打造海派开源潮流社
mysql thread status 解释说明
本文来源:http://dev.mysql.com/doc/refman/5.1/en/general-thread-states.html7.5.6.2. General Thread StatesThe following list describes thread State values that are associated with general query process...