Uninstall MySQL:
1.Win+R 一> regedit, delete files as below:
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.
2.delete C:\Users\Username of this machine\AppData\Roaming\Oracle\mysql.
3.find mysql decompression path and delete the whole folder of mysql.
Install MySQL 8.0.11
1.decompression msyql8.0.11.zip and create a new file named my.ini
2.enter some config as below:
[mysqld]
# 设置3306端口
port=3306
# 设置mysql的安装目录
basedir=D:\mysql-8.0.12-winx64
# 设置mysql数据库的数据的存放目录
datadir=D:\mysql-8.0.12-winx64\Data
# 允许最大连接数
max_connections=200
# 允许连接失败的次数。
max_connect_errors=10
# 服务端使用的字符集默认为UTF8
character-set-server=utf8
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
# 默认使用“mysql_native_password”插件认证
#mysql_native_password
default_authentication_plugin=mysql_native_password
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8
[client]
# 设置mysql客户端连接服务端时默认使用的端口
port=3306
default-character-set=utf8
3.msyqld --install
4.msyqld --initialize --console(you can see the initialized password)
5.net start mysql
6.update password :
ALTER USER "root"@"localhost" IDENTIFIED BY "new password";
