mysql replication
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javax.servlet.ServletException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [08S01]; error co ......
随着现代数据库可用特征集的迅速增加，很难区分孰好孰坏。例如Oracle里就有许多你可能从来都不需要的高级数据仓库特征。此外也可能有一些其它不可或缺的特征比如ACID事务特性。我们来看一看主要的一些特征，比如存储过程，视图，快照，表数据类型和事务等等。同时我们分析一下Postgresql，MySQL和Oracle这几个数据库，然� ......
MySql常用命令
【MySql命令窗口启动：请执行\bin\mysql.exe】
1:使用SHOW语句找出在服务器上当前存在什么数据库：
mysql> SHOW DATABASES;
2:创建一个数据库MYSQLDATA
mysql> CREATE DATABASE MYSQLDATA;
3:选择你所创建的数据库
mysql> USE MYSQLDATA; (按回车键出现Database changed 时� ......
首先安装phpMyadmin
[root@aladdin phpMyAdmin]# uname -a
Linux aladdin.leadtek.com.cn 2.6.32.11-99.fc12.i686.PAE #1 SMP Mon Apr 5 16:15:03 EDT 2010 i686 i686 i386 GNU/Linux
[root@aladdin phpMyAdmin]# yum info phpmyadmin
Loaded plugins: presto, refresh-packagekit
Installed Packages
Name &nbs ......
MySQL版本: Server version: 5.1.44 Source distribution
修改root密码
如果没有密码使用下面的命令, 将密码设为"123456"
$ mysqladmin -u root password 123456
如果有密码使用下面的命令, 将密码改为"123456"
$ mysqladmin -u root -p password 123456
Enter password:
用户账户管理
添加账� ......
