mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
mysqladmin -u root password "newpass"
如果root已经设置过密码,采用如下方法
mysqladmin -u root password oldpass "newpass"
mysql -u root
mysql> use mysql;
mysql> UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root';
mysql> FLUSH PRIVILEGES;
方法4:
mysql> grant all on *.* to root@'%' identified by '123456_203';
Query OK, 0 rows affected (0.02 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.04 sec)
mysql -u root mysql
mysql> UPDATE user SET password=PASSWORD("new password") WHERE user='root';