MySQL修改密码的三种方法

1.方法1:

UPDATE mysql.user SET Password=PASSWORD('新密码') WHERE user='root';
FLUSH PRIVILEGES;

2.方法2:

SET PASSWORD FOR 'root'@'localhost' = PASSWORD('新密码');
FLUSH PRIVILEGES;

3.方法3:

mysqladmin -uroot -p旧密码 password "新密码"