[mysql]
# 設置mysql客戶端默認字符集
default-character-set=utf8 
[mysqld]
interactive_timeout=28800000
wait_timeout=28800000
# 設置3306端口
port = 3306 
# 設置mysql的安裝目錄
basedir=D:\ProgramFiles\mysql-8.0.21-winx64\bin
# 設置mysql數據庫的數據的存放目錄
datadir=D:\ProgramFiles\mysql-8.0.21-winx64\data
# 允許最大連接數
max_connections=200
# 設置mysql服務端默認字符集
character-set-server=utf8
# 創建新表時將使用的默認存儲引擎
default-storage-engine=INNODB 

mysqld –install

mysqld –-initialize

mysqld --initialize-insecure --user=mysql

net start mysql
mysql admin -u root -p password

net stop mysql

mysqld --console --skip-grant-tables --shared-memory

mysql -uroot -p

use mysql

update user set authentication_string='' where user=‘root';

flush privileges;
exit;

net start mysql

mysql -u root -p

alter user ‘root'@‘localhost' identified with mysql_native_password BY ‘123456';

flush privileges;
exit;