mysql 新增用戶 並且對用戶設置權限（root）

新增超級權限並允許遠程訪問：

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;   
FLUSH   PRIVILEGES; 

 

數方法1：

 

方法1：
update mysql.user set authentication_string=password('xxx') where user='root' and Host = 'localhost';
方法2：
mysql> alter user 'root'@'localhost' identified by '123';
方法3：
mysql> set password for 'root'@'localhost'=password('123');

刷新權限
mysql> flush privileges;