在 Navicat for MySQL 下面直接执行  SET PASSWORD FOR \’root\’@\’localhost\’ = PASSWORD(\’newpass\’);   就可以

 

 

方法1: 用SET PASSWORD命令

  mysql -u root

  mysql> SET PASSWORD FOR \’root\’@\’localhost\’ = PASSWORD(\’newpass\’);

方法2:用mysqladmin

  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”

方法3: 用UPDATE直接编辑user表

  mysql -u root

  mysql> use mysql;

  mysql> UPDATE user SET Password = PASSWORD(\’newpass\’) WHERE user = \’root\’;

  mysql> FLUSH PRIVILEGES;

在丢失root密码的时候,可以这样

  mysqld_safe –skip-grant-tables&

  mysql -u root mysql

  mysql> UPDATE user SET password=PASSWORD(“new password”) WHERE user=\’root\’;

  mysql> FLUSH PRIVILEGES;

 

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