方法1: 用SET PASSWORD命令
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MySQL -u root mysql> SET PASSWORD FOR 'root' @ 'localhost' = PASSWORD ( 'newpass' ); |
方法2:用mysqladmin
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mysqladmin -u root password "newpass" |
如果root已经设置过密码,采用如下方法
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mysqladmin -u root password oldpass "newpass" |
方法3: 用UPDATE直接编辑user表
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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
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mysqld_safe --skip-grant-tables& mysql -u root mysql mysql> UPDATE user SET password = PASSWORD ( "new password" ) WHERE user = 'root' ; mysql> FLUSH PRIVILEGES ; |