[mysqld]
#端口
port = 3306
#mysql安裝目錄
basedir = E:/amp/mysql8
#mysql數據存放目錄
datadir = E:/amp/mysql8/data
#允許最大連接數
max_connections = 1024
#服務端默認使用字符集
character-set-server = utf8mb4
#默認存儲引擎
default-storage-engine = INNODB
#服務唯一標識
server_id = 1
#是否啟用慢查詢
slow_query_log = 1
#指定慢查詢日志文件的路徑和名字
slow_query_log_file = slow.log
#SQL語句運行時間超過該值才會被記錄
long_query_time = 10
#開啟binlog日志
log-bin = mysql-bin
#sql模式
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
 
#注意這里，mysql8默認密碼驗證插件改為了caching_sha2_password
#為了與之前的兼容，這里改回mysql_native_password
default_authentication_plugin = mysql_native_password
 
[mysql]
default-character-set = utf8mb4
 
[client]
port = 3306
default-character-set = utf8mb4

mysqld --initialize-insecure --console

mysqld --initialize --console

mysqld --install [服務名]
net start [服務名]

mysql -u root -p

SET PASSWORD=PASSWORD('新密碼');

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密碼';

select host,user,plugin from mysql.user;

create user '用戶名'@'主機' identified with mysql_native_password by '密碼';

grant all privileges on *.* to '用戶名'@'主機';

grant select,insert,update,delete,create,drop,alert on *.* to '用戶名'@'密碼';

show grants for '用戶名'@'主機';