1.下载MYSQL绿色版
官网下载地址：https://dev.mysql.com/downloads/mysql/
2.解压到本地
解压到本地并创建data文件，创建my.ini文件，配置信息如下
# 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]
#skip-grant-tables
# 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 = .....
basedir ="D:\Mysql\mysql-8.0.12-winx64" # 设置mysql的安装目录
datadir ="D:\Mysql\mysql-8.0.12-winx64\data" # 设置mysql数据库的数据的存放目录，必须是data，或者是//xxx/data
# 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=utf8mb4
[client]
#客户端编码方式，最好和服务端保存一致
loose-default-character-set=utf8mb4
[WinMySQLadmin]
Server = "D:\Mysql\mysql-8.0.12-winx64\bin\mysqld.exe"
3.配置环境变量
在系统环境变量配置界面，添加PATH变量为bin文件夹目录。
4.初始化
以管理员运行CMD命令，输入mysqld --initialize-insecure
5.安装服务
mysqld -install
6.启动服务
net start mysql
7.登录并更改密码
mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密码';
flush privileges;
8.卸载
- net stop mysql
- regedit 删除下面目录中EventMessageFile 和 TypesSupported
HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Services/Eventlog/Application/MySQL
HKEY_LOCAL_MACHINE/SYSTEM/ControlSet002/Services/Eventlog/Application/MySQL
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/Eventlog/Application/MySQL
- 移除服务
在bin目录下运行CMD,mysqld -remove
