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修改mysql密码多方法实战及注意-排错
yeyiluLAMP
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修改密码多种方法


    方法1: 用SET PASSWORD命令

      mysql -u root

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


    方法2:用mysqladmin(在Linux命令行,不是在MySQL内部)

      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"

例如:

mysqladmin -uroot -pyeyilu password "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

      /usr/local/mysql/bin/mysqld_safe --skip-grant-tables &

      mysql -u root -p

      mysql> UPDATE mysql.user SET password=password("new password") WHERE user='root';

      mysql> FLUSH PRIVILEGES;

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