mysql创建用户和库

先用root登陆mysql,然后运行下面代码创建mysql用户和库

下面创建的帐号：test123  密码：123456  库名：test123

CREATE USER 'test123'@'localhost' IDENTIFIED BY '';

GRANT USAGE ON * . * TO 'test123'@'localhost' IDENTIFIED BY '' WITH MAX_QUERIES_PER_HOUR  MAX_CONNECTIONS_PER_HOUR  MAX_UPDATES_PER_HOUR  MAX_USER_CONNECTIONS  ;

CREATE DATABASE IF NOT EXISTS `test123` ;

GRANT ALL PRIVILEGES ON `test123` . * TO 'test123'@'localhost';

mysql root密码忘记修改方法参考：http://www.cnblogs.com/kangleweb/p/9364711.html