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更改MySQL数据库root密码的具体方法_MySQL

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Release: 2016-06-01 13:59:58
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第一种︰使用 set password语法

shell> mysql -u root mysql

mysql> SET PASSWORD FOR root=PASSWORD(’new_password’);

第二种︰使用 mysqladmin命令

shell>mysqladmin -u root password new_password

如果忘记了MySQL的root密码,可以用以下方法重新设置:

◆1. KILL掉系统里的MySQLD进程;

killall -TREM mysqld

◆2. 用以下命令启动MySQL,以不检查权限的方式启动;

mysqld_safe -skip-grant-tables &

◆3. 然后用空密码方式使用root用户登录 MySQL;

mysql -u root

◆4. 修改root用户的密码;

mysql> update mysql.user set password=PASSWORD(’新密码’) where User=’root’;

mysql> flush privileges;

mysql> quit

◆5. 重新启动MySQL,就可以使用新密码登录了

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