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距离上次安装MySQL已经过去好久了。步骤这些，有可能会忘记。简单记录一下吧。（参考了一些网络上的博客。）
1.mysql-5.7.5-m15-winx64.zip下载
官方网站下载地址：
http://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.7-rc-winx64.zip
2.解压到D:\MySqlDataBase
3.在D:\MySqlDataBase\mysql-5.7.5-m15-winx64下新建my.ini配置文件
内容如下：
# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/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.
# basedir = .....
# datadir = .....
# port = .....
# server_id = .....
# 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
####################配置文件开始###################
[client]
port=3307
default-character-set=utf8
[mysqld]
port=3307
character_set_server=utf8
basedir ="E:\Database\MySQL\mysql-5.7.7-rc-winx64/"
datadir ="E:\Database\MySQL\mysql-5.7.7-rc-winx64/data/"
tmpdir ="E:\Database\MySQL\mysql-5.7.7-rc-winx64/data/"
socket ="E:\Database\MySQL\mysql-5.7.7-rc-winx64/data/mysql.sock"
log-error="E:\Database\MySQL\mysql-5.7.7-rc-winx64/data/mysql_error.log"
#server_id = 2
#skip-locking
max_connections=100
table_open_cache=256
query_cache_size=1M
tmp_table_size=32M
thread_cache_size=8
innodb_data_home_dir="E:\Database\MySQL\mysql-5.7.7-rc-winx64/data/"
innodb_flush_log_at_trx_commit =1
innodb_log_buffer_size=128M
innodb_buffer_pool_size=128M
innodb_log_file_size=10M
innodb_thread_concurrency=16
innodb-autoextend-increment=1000
join_buffer_size = 128M
sort_buffer_size = 32M
read_rnd_buffer_size = 32M
max_allowed_packet = 32M
explicit_defaults_for_timestamp=true
sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
#sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
####################配置文件结束###################
重点是以下配置，其中datadir的目录名称必须是：
D:\MySqlDataBase\ mysql-5.7.5-m15-winx64/data/。
4.在windows系统环境变量path，加入如下内容
D:\mysql\mysql-5.7.5-m15-winx64\bin;（注意加分号）
变量名：MYSQL_HOME
变量值：D:\Program Files\mysql-5.7.5-m15-winx64
即为mysql的自定义解压目录。
再在Path中添加 %MYSQL_HOME%\bin
5、将mysql注册为windows系统服务
具体操作是在命令行中执行以下命令（需要以管理员身份运行命令行）：
需要切换到bin目录，否则，会将服务目录指定为C:\Program Files\MySQL\MySQL Server 5.7\mysqld
增加服务命令为：
mysqld install MySQL --defaults-file="D:\mysql\mysql-5.7.5-m15-winx64\my.ini"
移除服务命令为：
mysqld remove
mysqld install MySQL5.7.7 --defaults-file="E:\Database\MySQL\mysql-5.7.7-rc-winx64\my.ini"
mysqld remove MySQL5.7.7
net start MySQL5.7.7
net stop MySQL5.7.7
6.第5步成功后，打开系统服务管理
可以看到mysql系统服务
在命令行启动mysql命令为：net start mysql
关闭mysql命令为：net stop mysql
7.修改root的密码为wenthink
命令行执行：mysql –uroot
mysql>show databases;
mysql>use mysql;
mysql>UPDATE user SET password=PASSWORD(‘wenthink‘) WHERE user=‘root‘;
mysql>FLUSH PRIVILEGES;
mysql>QUIT
远程登陆配置
允许root用户在任何地方进行远程登录，并具有所有库任何操作权限，具体操作如下：
1）在本机先使用root用户登录mysql：
命令行执行：mysql -u root -p
输入密码（第7步中设置的密码）：wenthink
2）进行授权操作：
mysql>GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘youpassword‘ WITH GRANT OPTION;
重载授权表：
mysql>FLUSH PRIVILEGES;
退出mysql：
mysql>quit
win7 64位下如何安装配置mysql-5.7.7-rc-winx64
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原文地址：http://www.cnblogs.com/logout/p/4882565.html
