更改MySQL数据库root密码的具体方法_MySQL
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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