MySQL绿色版(zip解压版)的安装图文教程（mysql-5.6.22-win32.zip）_MySQL

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.

[mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
 innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
#mysql根目录
 basedir ="C:\Program Files\mysql-5.6.22-win32"
#数据文件存放目录
 datadir ="C:\Program Files\mysql-5.6.22-win32\data"
# port = .....  端口，默认3306
# server_id = ..... 服务实例的唯一标识


# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 
#服务端的编码方式
character-set-server=utf8
[client]
#客户端编码方式，最好和服务端保存一致
loose-default-character-set = utf8

[WinMySQLadmin] 
Server = "C:\Program Files\mysql-5.6.22-win32\bin\mysqld.exe"

x:\>mysql -u root -p 密码  //登录系统
mysql> use mysql;    //切换数据库
mysql> update user set host = '%' where user = 'root'; 
//上面这句话有时出现一个错误 ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY'

//不过这时你查询一下user表发现已经更新一条记录了,下面这句话
mysql> select host, user from user;

//直接执行这句,其实就是刷新权限
mysql> flush privileges;